Do RestyGWT refactoring for FileInput
replace primitives in FileInput
dirty fix - char variables to String variables for serialization
added FileInputResourceTest + small fixxes (XmlTransient annotation)
Merge branch 'FileInputRestService' into delete_algorithms

Conflicts:
	frontend/src/main/java/de/metanome/frontend/Metanome.gwt.xml
	frontend/src/main/webapp/WEB-INF/web.xml
	frontend/src/test/java/de/metanome/frontend/MetanomeTest.gwt.xml
Change chars to strings in ConfigurationSettingFileInput for serialization.