fixes a typo inside of a method and a parameter name. to fix the method it adds a new method with the right name and deprecates the wrong one.
Merge pull request #43 from CubeEngine/typos

refactors getSourceFragments for better maintenance
specifies and refactors the classes for handling resources (hierachy of SpoonResource)
refactors JDTBasedSpoonCompiler so that it only uses the interfaces for handling resources
removes a try block to facilitate unit testing (an exception is an error)
fixes the Ant task after many months of hibernation for reviving Sopon examples on SpoonLabs
adds Launcher.getFactory for API-based usage