set --abbrev-commit to return 8-digit hash strings

Fix OutOfBound array access when looking for ReflogCommits

refs jesseduffield#679

fix bug where commits appeared as green despite not being pushed

do not close over variables in a function

refresh commits when adding a tag

allow fastforwarding the current branch

get whole commit SHA from rebase commits

fix goreleaser

Added more keybinds

 * Commit with editor
 * Commit without hook

Signed-off-by: Glenn Vriesman <[email protected]>

verify that VISUAL,EDITOR,LGCC envvars are set for non-interactive co…

…mmands