Replaced SWRevealViewController with DTSidePanelController
Merge branch 'develop' of https://github.com/ProductLayer/ProductLayer-SDK-for-iOS into DTSidePanelController
Fixed issue: image request parameter wrong (maxself.width replaced with max_width, maxself.height replaced with max_height)
Moved images requests to the right position.
Fixed image voting request urls.
Removed PLYSidePanelProtocol
Updated DTFoundation submodule
updated documentation
replaced PLYAuditor with PLYUser
Merge branch 'rs/DTSidePanelController' into develop

Replaced RevealSidePanel with DTSidePanelController.
Updated to SDK and API 0.2