l10n: Update git.pot (275 new, 15 removed messages)

Generate po/git.pot from v1.7.10.1-489-g9394:

 * 275 new l10n messages at lines:

   41, 46, 55, 67, 74, 79, 89, 93, 97, 101, 106, 110, 142, 148, 155,
   162, 169, 176, 183, 190, 197, 204, 286, 290, 301, 308, 313, 318, 327,
   411, 415, 420, 425, 947, 952, 957, 962, 967, 972, 977, 982, 987, 992,
   1002, 1007, 1011, 1016, 1021, 1026, 1031, 1036, 1042, 1047, 1052, ...

 * 15 removed l10n messages from lines:

   803, 821, 838, 843, 912, 1356, 1377, 1454, 1458, 1464, 1471, 1517,
   1819, 1824, 1898

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