[CB-2618] xcode build from Network Drive Fails

- fix copy of fileand symlinks attributes errors
- still attempt to hard link first but then do copy if that fails
[CB-2638] Fix iOS project warnings on Retina imgs

-fixed iphone and ipad 2x images to remove warnings
-ran images thru imageoptim
Fixed static analyzer issues.
[CB-1933] Changed button labels to an array.

This allows commas to be included in button label text.
[CB-1688] Added a camera direction option.