Add missing GA prefix to variant methods
Rename start/endPosition to start/end
Merge remote-tracking branch 'upstream/master' into start-end

Conflicts:
	src/main/resources/avro/readmethods.avdl
Merge remote-tracking branch 'upstream/master' into add-missing-prefixes

Conflicts:
	src/main/resources/avro/variantmethods.avdl
Merge pull request #102 from cassiedoll/start-end

Rename start/endPosition to start/end
Merge pull request #98 from cassiedoll/add-missing-prefixes

Add missing GA prefix to variant methods
Reads metadata changes
Add variant metadata
Clarify date format
Merge remote-tracking branch 'upstream/master' into metadata