Fixed #18363 -- Improved Galician date and time format strings

Thanks Guttorm Flatabø for the report and the initial patch, and
Fran Dieguez for the review.

django/conf/locale/gl/formats.py

@@ -1,17 +1,18 @@
 # -*- encoding: utf-8 -*-
 # This file is distributed under the same license as the Django package.
 #
+from __future__ import unicode_literals
 
 # The *_FORMAT strings use the Django date format syntax,
 # see http://docs.djangoproject.com/en/dev/ref/templates/builtins/#date
-DATE_FORMAT = 'd F Y'
+DATE_FORMAT = r'j \d\e F \d\e Y'
 TIME_FORMAT = 'H:i:s'
-# DATETIME_FORMAT = 
-YEAR_MONTH_FORMAT = 'F Y'
-MONTH_DAY_FORMAT = 'j F'
-SHORT_DATE_FORMAT = 'j M, Y'
-# SHORT_DATETIME_FORMAT = 
-# FIRST_DAY_OF_WEEK = 
+DATETIME_FORMAT = r'j \d\e F \d\e Y \á\s H:i'
+YEAR_MONTH_FORMAT = r'F \d\e Y'
+MONTH_DAY_FORMAT = r'j \d\e F'
+SHORT_DATE_FORMAT = 'd-m-Y'
+SHORT_DATETIME_FORMAT = 'd-m-Y, H:i'
+FIRST_DAY_OF_WEEK = 1 # Monday
 
 # The *_INPUT_FORMATS strings use the Python strftime format syntax,
 # see http://docs.python.org/library/datetime.html#strftime-strptime-behavior