New git.pot is generated for the start of git 1.8.1 l10n

Dear l10n team members,

New "git.pot" is generated from v1.8.0-273-g2d242 in the master branch.

    l10n: Update git.pot (14 new, 3 removed messages)

    Generate po/git.pot from v1.8.0-273-g2d242, and there are 14 new and 3
    removed messages.

    Signed-off-by: Jiang Xin <worldhello.net@gmail.com>

This update is for the l10n of upcoming git 1.8.1. You can get it from the usual place:

    https://github.com/git-l10n/git-po/

BTW, I'm sorry for this late, because these 2 months I am on a project and have hardly any spare time. Push me using email if I am late again.

-- Jiang Xin