Fixes #307: table cells overflowing when containing large urls

Closes #223
changes on some deprecated lines
Fix test
Merge branch 'pr-223'
Merge branch 'pr/314'
Bump up min cakephp version + Locale submodule
Regenerate bootstrap.css
Updating AUTHORS.txt for release 1.5.6
Updating VERSION.txt for release 1.5.6