Merge branch 'pw/post-commit-from-sequencer'

"rebase -i" ceased to run post-commit hook by mistake in an earlier update, which has been corrected. * pw/post-commit-from-sequencer: sequencer: run post-commit hook move run_commit_hook() to libgit and use it there sequencer.h fix placement of #endif t3404: remove uneeded calls to set_fake_editor t3404: set $EDITOR in subshell t3404: remove unnecessary subshell