Add commit field for bypassing verification (--no-verify)

This new field toggles whether or not we will pass --no-verify to `git
commit'.

Default keybinding: C-c C-n
Merge commit '831ca7e92435033a30f7c00ab9b3240ecb7c96b2' into mgalgs/no-verify
Merge branch 'mgalgs/no-verify'
Add support for "git cherry"
Fix 'head' binding being shadowed and made buffer header clearer
Merge branch 'mbunkus/cherry' into next
Merge branch 'master' into next
compute default pattern the same M-x grep does
Merge branch 'master' into next