Merge pull request #126 from kohana/3.3/bug/travis-composer-no-intera…

…ction

Resolve composer downloading and caching issues on Travis

Merge branch '3.3/master' into 3.3/develop

Merge 3.3/release/3.3.3 into 3.3/master

Merge 3.3/release/3.3.3 into 3.3/master

Merge 3.3/release/3.3.3 into 3.3/master

Release version 3.2.3.1

Release v3.3.2

Release v3.2.3

Update composer branch alias (refs #4776)

update classes to properly use DB::expr() (refs #4617)