Explicitly specify point release numbers for Ubuntu LTS releases

With this CL, we will explicitly specify point release numbers for Ubuntu 12.04/14.04 used in our reference build environment based on Docker file.
This is just in case change for build environment, and no behavior change is intended for production.

BUG=none
TEST=none

git-svn-id: https://mozc.googlecode.com/svn/trunk@458 a6090854-d499-a067-5803-1114d4e51264
3 files changed
tree: c2e3a0091716255f6f0cf4185663351c1159d172
  1. src/