after looking at the coverage report available at https://storage.googleapis.com/oss-fuzz-coverage/simdjson/reports/20191222/linux/src/simdjson/report.html
* add basic fuzzing using libFuzzer * let cmake respect cflags, otherwise the fuzzer flags go unnoticed also, integrates badly with oss-fuzz * add new fuzzer for minification, simplify the old one * add fuzzer for the dump example * clang format