Angle lib update

Updated angle and freetype libs and related sources.
poco update

Update POCO libs and includes.
Fixed thread functions ambiguity

Fixed build errors related to thread functions ambiguity.
Updated POCO to support ofURLFileLoader

SSL not supported yet.
Updated PocoNet libs.
Updated ofxOSC addon.

Updated ofxOSC addon for Universal Apps support.
Updated ofxNetwork addon.

Updated ofxNetwork addon for Universal Apps support.
Updated POCO libs.

Updated PocoFoundation.lib with threading issue fixed.
Fixed mouse pointer issue.
Fixed build warnings.
Updated ofxOSC and ofxNetwork.
fixed merge conflict
Merge remote-tracking branch 'origin/libs_update' into universal