Added MULTIPART MediaType
added file service
added javadoc
added get methods
Merge remote-tracking branch 'origin/master' into kb-fileservice

Conflicts:
	src/main/java/eu/dm2e/ws/grafeo/jena/GrafeoImpl.java
	src/main/java/eu/dm2e/ws/services/data/AbstractRDFService.java
Fixed Jersey and mimepull dependencies
Save files as "files/upload_XXXXXXX" for now
Use dm2e namespace from GrafeoImpl
Grafeo: helper functions for executing SPARQL, finding the first object
for a subject-predicate tuple and ensuring the existence of statements
by pattern
AbstractRDFService: helper functions for throwing errors to the client
FileService: Adapted to make it actually work
test resource for file metadata
DM2E specific MediaType class
Grafeo: Method for retrieving the size of a model (in number of statements)
FileService: Proper content negotiation on GET, docs on the file service API
gitignore: ignore catalog-v001.xml files generated by protege
Grafeo: typed literals for long and boolean values
Additional dependencies (some apache-commons libraries)
Grafeo: Add prototypes to take URI parameters, refactor reading heuristics from constructor to methods
Added Configuration files
Main class rewritten to use configuration