Renamed AssetsServlet* to AssetServlet* for the sake of consistency
Renamed Servlet 3.x annotations from the AssetServlet3 implementation: now it must be configured manually in the web.xml file
Added comments
Added two more configuration points for the dandelion.dev.mode: it can now be set either using a context parameter (in web.xml) or using an init parameter of the AssetFilter (also in web.xml)
Linked with dandelion/issues#193
Added new Spring3 Dandelion extra containing a first test of @Controller to use as a "surrogate web resource provider" (as the AssetServlet*)
Fixed filter processing with delegated/templated assets and added comments
Refactored the doGet method of the abstract AssetServlet to be able to close property the writer obtained from the response
Fixed UT