Merge branch 'master' of https://github.com/softwerkskammer/Agora
Added test image for upload tests with imagerepositoryAPI
Replaced explicit nconf requirement with return value of configureForTest script
Implemented test for successful upload of an image
Add node-uuid to package.json
Commented test because we have to test the uuid functionality first
Use image repository in POST /
Add pointless test for node-uuid
Implemented storeImage function
Implemented failing test for retrieveImage function
Implemented image retrieval function
Fixed tests for node uuid
Refactored retrieveImage test
Clean up tmp files used in tests for image retrieval function
Added multiparty package

Parses HTTP multipart requests, e.g. for uploading files
Renamed sinonSandbox to sinon
Clean up all temporary files created during tests
Added mock-fs to dev dependencies
Swapped tmp dir to os.tmpdir()
Mocked fs module