minmea.h, minmea.c: Added support for GLL sentences
example.c: revert accidental overwrite
merge with master
test_minmea_parse_gll1: keep naming consistent
minmea.h: style fixes
minmea_sentence_gll: adapt for new floating point format
minmea_parse_gll: make mode field optional
minmea_sentence_gll: minor style fixes
Merge branch 'pull-request-2'