GlassLab SDK updated to check for valid URLs before making requests
updated core file to check for valid url and host
glsdk_core.cpp and glsdk_data_sync.cpp now compile with the iOS and i386 targets
PC SDK with lib and dll targets
Updated the example win32 project to account for these different targets
Updated the Unity example to include the PC GlassLabSDK, now runnable in editor and PC standalone
Merge remote-tracking branch 'upstream/develop'

Conflicts:
	src/glsdk_core.cpp