generate static framework 

Generate framework after build:
1. Download [GoogleCast.framework](https://developers.google.com/cast/docs/downloads) and drop it to ConnectSDK/Frameworks  
2. Follow instructions here:
https://github.com/jverkoey/iOS-Framework#walkthrough 
in build_framework.sh, make this change:
SF_TARGET_NAME=ConnectSDK
3. For both targets (ConnectSDK and Framework), add i386 and x86_64 to VALID_ARCHS.
change ONLY_ACTIVE_ARCH to No

To build: Select Product->Scheme->Framework, then Product->Build.

Right click 'libConnectSDK.a' from 'Project navigator', select 'Show in finder'