Added nocache and wilcard support for url patterns in StaticContentCacheFilter.java
Fixed StaticContentCacheFilter.java - removed override
Added optional camel case to underscore case JPA mapper
Fixed boolean condition in StaticContentCacheFilter.java
Merge pull request #48 from iromu/development

Added optional camel case to underscore case JPA mapper
Merge branch 'master' into development
Added getInitPlaceEvent() method to AbstractRpcCommand
Added NULL control in case of void methods return type.
Changes in Callback JSON impl based on RestyGWT module. 
Showcase Rest and Suggest Widget changed accordingly. 
Showcases updated to Framework 1.2.6-SNAPSHOT
removed unnecessary classes
Showcases are not Pure MPL 2.o projects.
Changes in AbstractHistoryConverter
Added SimpleHistoryConverter
Merge remote-tracking branch 'origin/master'
Created base AbstractHistoryConverter
Created AbstractMapHistoryConverter holding old AbstractHistoryConverter functionallity
Created new AbstractPositionalHistoryConverter
Created SimpleHistoryConverter
Added SimpleCrawableHistoryConverter
APPWEB-97, APPWEB-96, APPWEB-106, APPWEB-123