add Twitter Bootstrap 3 support
PSR-2 coding style
add possibility to have a customizable array of lg, md, xs sizes
update README.md
Merge pull request #105 from Mardagg666/BS3

add Twitter Bootstrap 3 support
Updated decorators to bootstrap 3 classes

Signed-off-by: Magnus P White <mpw@ecs.soton.ac.uk>
Updated button element to allow bootstrap 3 icons

Signed-off-by: Magnus P White <mpw@ecs.soton.ac.uk>
Removed Twitter top level folder so the repo can be added as a submodule

Signed-off-by: Magnus P White <mpw@ecs.soton.ac.uk>
Fixed layout problems caused by Zend not recognising the decorators on some elements.

Signed-off-by: Magnus P White <mpw@ecs.soton.ac.uk>
Merge branch 'refs/heads/bootstrap3'