Added date to git-backup.sh
Added date to git-backup.sh

Not it will include the date and time to the default backup commit message,
which might assist in finding a commit from git reflog.

asmeurer/Miscellaneous-Useful-Scripts,asmeurer/Miscellaneous-Useful-Scripts,asmeurer/Miscellaneous-Useful-Scripts,asmeurer/Miscellaneous-Useful-Scripts