use "type" parameter in BootstrapAjaxButton (fixes #164)
use "type" parameter in BootstrapAjaxButton (fixes #168)
upgrade to wicket 6.7.0 (fixes #169)
Merge remote-tracking branch 'origin/master' into rich-popover
use LDM instead of Model for RichPopoverBehavior
Merge branch 'master' into issue138

Conflicts:
	pom.xml
Issue #138 - Make it possible to configure a different version of Twitter Bootstrap
Issue #138 - Use Netdna for js resource too