Initial commit
Added common scripts.
Added some basic Travis testing.
Added travis-ci badge.
Added apparently necessary update step.
Added a common version check module.
Fixed the project language for Travis.
Initial commit of caching code.
Add 'common/' from commit 'c466bf38a75865e5f7d60d6ca0ebf15cbff25a07'

git-subtree-dir: common
git-subtree-mainline: 78f4ec3b8b80d995ff10d633e67f6de52a5647c2
git-subtree-split: c466bf38a75865e5f7d60d6ca0ebf15cbff25a07