[Added] basic MetadataService implementation using Akka 2.0: it just queries C3 for s4-meta analyzed resources and process it using a pool of workers
[Changed] cleanup of service package structure
[WIP] s4-meta processing integration: MetadataService worker implementation
[Changed] file upload sets proper group and user ids to new file's metadata
[Fixed] configuration lookup issue
Merge pull request #23 from ifunsoftware/s4-meta-integration

S4 meta integration