Fix typo: mintues -> minutes.

Fix typo: mintues -> minutes.
Merge pull request #138 from paveljanik/patch-1

Fix typo: mintues -> minutes.
Missing hyphen in git-http-backend

Add missing hyphen in the command name.
One more...
Add missing hyphen

The command is git diff --check.
Merge pull request #140 from paveljanik/patch-3

Missing hyphen in git-http-backend
Merge pull request #141 from paveljanik/patch-4

Add missing hyphen