Initial commit

* README file placeholder
* Apache v2 license
* gitignore for Xcode
Add basic frameworks

All frameworks will be located under the Frameworks dir as git
submodules, some of the frameworks will be set to specific releases
(versions == git tags or specific commit SHAs).

Frameworks/Alamofire - https://github.com/Alamofire/Alamofire (HTTP networking)
Frameworks/Nimble - https://github.com/Quick/Nimble (Testing)
Frameworks/Quick - https://github.com/Quick/Quick (Testing)
Frameworks/SWXMLHash - https://github.com/drmohundro/SWXMLHash (XML utils)
Frameworks/SwiftyJSON - https://github.com/SwiftyJSON/SwiftyJSON (JSON utils)
Xcode workspace added
Frameworks added to the workspace as the refs
Add Alamofire-SwiftyJSON binding framework
Add *.pbxproj to gitignore
Add SalaryZenKit project with initial Cbr fetcher impl
Server side rates aggregator implemented
Workspace updated
Add aggregator launch scripts