Removed some resources in DefaultBundle

We now load these resources from the latest version of
PinanoDataTablesBundle, so instead of having to manually store them in the
PinanoDefaultBundle, PinanoDataTablesBundle takes care of them
Added script.sh for common maintenance console tasks
Reorganized the layout for PinanoDefaultBundle

Now we separate navigation and footer in their own files. In addition,
cssrewrite filter has been included in stylesheet block
Added /web/ resources to .gitignore