Configured JSESSIONID
Fixed css mime type for assets
Moved filters
Fixed #53 indexUrl of SkinnyResource based Controller makes bad URL
Introduced SkinnyFilter
Fixed tests for native compiler
Fixed #45 Error notification feature

javax.servlet.Filter is not a good approach to deal with Scalatra app's
error. Use SkinnyFilter instead.

 - Removed UncaughtExceptionNotifier
 - Added SkinnyFilter
Improved SkinnyFilter and changed generator to support SkinnyFilter
Updated default error pages
Enabled Querying without primary key def
Updated example and etc
Added SkinnyTable for simple usage
Patched ScalatraBase to ignore "org.scalatra.ScalatraFilter.afterFilters.Run" only for Filters
Changed mount operation to specify only DispatcherType.REQUEST for Filters
Fixed exception when thread-local session is already closed
Refactored TxPerRequestFilter
Skinny Session feature initial version
Refactored skinny session
Added test support for SkinnySession and fixed some bugs
Enabled caching skinnySession to reduce query