RF-12214: skin rendering of images for plain skin (changed from library name detection to image mime-type detection
fix for RF-13295 missing autocomplete css file
RF-12802: page fragments repository moved here
build/pom.xml reformatted according to JBoss rules
page-fragments: removed dependency for richfaces itself
page-fragments moved under build/page-fragments
RF-13285: Showcase: updated look-n-feel of Autocomplete samples
added checkstyle-plugin execution and specified commons-lang version in page-fragments
moved page-fragments dependency version management to the module itself
RF-12802: introduced page-fragments module
RF-13297: update RW with Autocomplete fix - filtering in caching mode
RF-13296: Autocomplete - implement clientFilterFunction support
RF-13303: page-fragments tests changed to be mocked

* they were Arquillian Graphene tests, however, they are just unit tests, they
  can be just mocked
RF-13131: upgrade to Warp Alpha5
RF-13311: made Push component independent on richfaces-base-component.js
RF-13318: update Autocomplete with refactored Autocomplete widget
RF-13280: split resources into ui and core, update framework build
update usage guide
exclude jquery.js from packing
RF-13280: fix integration tests