Changes

Fix : Improves service and rest implementations
Removes in the web.xml file unused commented code. Removes in the
StoryResource an unused catch. Removes in the ResourceUnitTest class an
unused exception on tearDown. Removes in the Story service an
unnecessary braces and modifies the findMostRead method implementation
to removes an IDE error. Removes in the StoryServiceIntegrationTest some
unnecessary imports and removes in 
StoryServiceIllegalAccessIntegrationTest some unnecessary variables.