Bug 982482 - Add python 2.7.5 for gdb. r=mwu

Change-Id: Ic097aa2b11f93ec9fe8fdccf0a103726bd169810
Merge pull request #157 from Seinlin/bug-982482

Bug 982482 - Add python 2.7.5 for gdb. r=mwu
use local aosp/mozillaorg mirror

Change-Id: I9d43700cff3b1678830adf8c2906748424f17138