remove unmerged files during reset hard
Merge pull request #1445 from ethomson/reset_unmerged

remove unmerged files during reset hard
free!
Merge pull request #1446 from ethomson/free

Clean up some memleaks in tests
transport: don't try to export nonexistent function
tests: Fix indentations
tag: Fix parsing when no tagger nor message
Merge pull request #1451 from nulltoken/topic/support_taggerless_tags

Support tags with no tagger nor message