diff --git a/db/schema.rb b/db/schema.rb
index 8c6085547..9584fa817 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -13,14 +13,6 @@
 
 ActiveRecord::Schema.define(:version => 20140320022724) do
 
-  create_table "a_user_watchers", :force => true do |t|
-    t.string   "name"
-    t.text     "description"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-    t.integer  "member_id"
-  end
-
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
     t.string  "act_type", :null => false
@@ -303,9 +295,9 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "issue_categories", ["project_id"], :name => "issue_categories_project_id"
 
   create_table "issue_relations", :force => true do |t|
-    t.integer "issue_from_id", :null => false
-    t.integer "issue_to_id",   :null => false
-    t.string  "relation_type", :null => false
+    t.integer "issue_from_id",                 :null => false
+    t.integer "issue_to_id",                   :null => false
+    t.string  "relation_type", :default => "", :null => false
     t.integer "delay"
   end
 
@@ -473,22 +465,6 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "messages", ["last_reply_id"], :name => "index_messages_on_last_reply_id"
   add_index "messages", ["parent_id"], :name => "messages_parent_id"
 
-  create_table "messages_for_bids", :force => true do |t|
-    t.string   "message"
-    t.integer  "user_id"
-    t.integer  "bid_id"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
-  create_table "messages_for_users", :force => true do |t|
-    t.integer  "messager_id"
-    t.integer  "user_id"
-    t.string   "message"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-  end
-
   create_table "news", :force => true do |t|
     t.integer  "project_id"
     t.string   "title",          :limit => 60, :default => "", :null => false
@@ -548,23 +524,11 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
     t.integer "watchers_count"
     t.integer "project_id"
     t.integer "project_type"
-    t.integer "gitlab_group_id",  :limit => 8
-    t.float   "grade",                         :default => 0.0
-    t.integer "course_ac_para",                :default => 0
+    t.float   "grade",            :default => 0.0
+    t.integer "course_ac_para",   :default => 0
   end
 
-  add_index "project_statuses", ["changesets_count"], :name => "index_project_statuses_on_changesets_count"
   add_index "project_statuses", ["grade"], :name => "index_project_statuses_on_grade"
-  add_index "project_statuses", ["watchers_count"], :name => "index_project_statuses_on_watchers_count"
-
-  create_table "project_tags", :force => true do |t|
-    t.integer  "project_id"
-    t.integer  "tag_id"
-    t.string   "description"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-    t.integer  "user_id"
-  end
 
   create_table "projects", :force => true do |t|
     t.string   "name",            :default => "",    :null => false
@@ -610,18 +574,17 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "queries", ["user_id"], :name => "index_queries_on_user_id"
 
   create_table "repositories", :force => true do |t|
-    t.integer "project_id",                   :default => 0,     :null => false
-    t.string  "url",                          :default => "",    :null => false
-    t.string  "login",          :limit => 60, :default => ""
-    t.string  "password",                     :default => ""
-    t.string  "root_url",                     :default => ""
+    t.integer "project_id",                  :default => 0,     :null => false
+    t.string  "url",                         :default => "",    :null => false
+    t.string  "login",         :limit => 60, :default => ""
+    t.string  "password",                    :default => ""
+    t.string  "root_url",                    :default => ""
     t.string  "type"
-    t.string  "path_encoding",  :limit => 64
-    t.string  "log_encoding",   :limit => 64
+    t.string  "path_encoding", :limit => 64
+    t.string  "log_encoding",  :limit => 64
     t.text    "extra_info"
     t.string  "identifier"
-    t.boolean "is_default",                   :default => false
-    t.string  "git_project_id"
+    t.boolean "is_default",                  :default => false
   end
 
   add_index "repositories", ["project_id"], :name => "index_repositories_on_project_id"
@@ -642,6 +605,26 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
     t.datetime "updated_at", :null => false
   end
 
+  create_table "seems_rateable_cached_ratings", :force => true do |t|
+    t.integer  "cacheable_id",   :limit => 8
+    t.string   "cacheable_type"
+    t.float    "avg",                         :null => false
+    t.integer  "cnt",                         :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  create_table "seems_rateable_rates", :force => true do |t|
+    t.integer  "rater_id",      :limit => 8
+    t.integer  "rateable_id"
+    t.string   "rateable_type"
+    t.float    "stars",                      :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                 :null => false
+    t.datetime "updated_at",                 :null => false
+  end
+
   create_table "settings", :force => true do |t|
     t.string   "name",       :default => "", :null => false
     t.text     "value"
@@ -652,9 +635,9 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
 
   create_table "shares", :force => true do |t|
     t.date     "created_on"
-    t.string   "title"
-    t.string   "share_type"
     t.string   "url"
+    t.string   "title"
+    t.integer  "share_type"
     t.datetime "created_at",  :null => false
     t.datetime "updated_at",  :null => false
     t.integer  "project_id"
@@ -662,12 +645,6 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
     t.string   "description"
   end
 
-  create_table "students", :force => true do |t|
-    t.string   "name"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
-  end
-
   create_table "students_for_courses", :force => true do |t|
     t.integer  "student_id"
     t.integer  "course_id"
@@ -726,7 +703,7 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   create_table "tokens", :force => true do |t|
     t.integer  "user_id",                  :default => 0,  :null => false
     t.string   "action",     :limit => 30, :default => "", :null => false
-    t.string   "value",      :limit => 40
+    t.string   "value",      :limit => 40, :default => "", :null => false
     t.datetime "created_on",                               :null => false
   end
 
@@ -752,13 +729,12 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
     t.integer  "zip_code"
     t.datetime "created_at",         :null => false
     t.datetime "updated_at",         :null => false
-    t.integer  "identity"
     t.string   "technical_title"
+    t.integer  "identity"
     t.string   "student_id"
     t.string   "teacher_realname"
     t.string   "student_realname"
     t.string   "location_city"
-    t.string   "git_token"
   end
 
   create_table "user_grades", :force => true do |t|
@@ -795,14 +771,6 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "user_statuses", ["grade"], :name => "index_user_statuses_on_grade"
   add_index "user_statuses", ["watchers_count"], :name => "index_user_statuses_on_watchers_count"
 
-  create_table "user_tags", :force => true do |t|
-    t.integer  "user_id"
-    t.integer  "tag_id"
-    t.string   "description"
-    t.datetime "created_at",  :null => false
-    t.datetime "updated_at",  :null => false
-  end
-
   create_table "users", :force => true do |t|
     t.string   "login",                           :default => "",    :null => false
     t.string   "hashed_password",   :limit => 40, :default => "",    :null => false