Add native-websocket-javax as dependency to common-tests.

This way it is also checked for bad OSGi packaging
Upgrade JQuery to 1.11.0 and 2.1.0
Merge branch 'master' into markup-driven-component-tree
Markup driven tree - add Igor Vaynberg's tests from his work on WICKET-3335

(cherry picked from commit 9ec7fcd13f7224af4a756ae53576eb2e14065d11)
Markup driven tree - disable ivaynberg's test