crontab.tpl: execute cron gc during low traffic time.
switching to python27: modify jenkins build scripts (bug 1013867)
use pyquery when checking markup to not fail on attributes reordering (bug 1013867)
Script conversion from Serbian Cyrillic to Latin (20140607)
Merge pull request #112 from jasonthomas/cron_gc

crontab.tpl: execute cron gc during low traffic time.
Merge pull request #105 from magopian/1013867-switch-python27

switch to python27 (bug 1013867)
Merge pull request #114 from flodolo/20140607

Update sr-Latn using sr (Cyrillic) content converted with icu4c
Update amo-validator
use `select_related(related_names)` instead of deprecated `select_related(depth=1)` (bug 1023010)