Issue #138 - Implement CDN urls for CSS resources
Merge branch 'master' into issue138
Issue #138 Add a setting to enable loading Css resources from CDN network
Use the CDN CSS resources in the samples application
Merge branch 'master' into issue138

Conflicts:
	bootstrap-core/src/main/java/de/agilecoders/wicket/core/markup/html/themes/bootstrap/BootstrapTheme.java
	bootstrap-core/src/main/java/de/agilecoders/wicket/core/settings/IBootstrapSettings.java
	bootstrap-core/src/main/java/de/agilecoders/wicket/core/settings/Theme.java
	bootstrap-samples/src/main/java/de/agilecoders/wicket/samples/WicketApplication.java
	bootstrap-themes/src/main/java/de/agilecoders/wicket/themes/markup/html/bootswatch/BootswatchTheme.java
	library/src/main/java/de/agilecoders/wicket/settings/BootstrapSettings.java
	pom.xml
Merge branch 'master' into issue138
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
Issue #138 - Add a unit test verifying that the JS resource url is properly constructed
Issue #138 - Move the test to *JS* test
Merge branch 'master' into issue138