Add Hotkey to select all files and commit

By @ch3cooli on August 20, 2012 10:55 (imported from Google Code)

---

Most often commit workflow is to
enter commit message,
select "all" files, and
commit.
Since the commit message editor accepts enter key, we need another hotkey to "click" the OK button.
I suggest any key between F3 and F12 as the hotkey to select all and commit.

CommitDlg.cpp, line 1123
case VK_F8:
{
m_ListCtrl.Check(GITSLC_SHOWEVERYTHING, true);
OnOK();
}
break;