FlurrySDK depends on the UIKit framework

I was getting:

```
Undefined symbols for architecture i386:
  "_CGRectContainsPoint", referenced from:
      +[FlurryUtil viewIsVisible:] in libFlurry.a(libFlurry.a-i386-master.o)
  "_CGRectGetMidX", referenced from:
      +[FlurryUtil viewIsVisible:] in libFlurry.a(libFlurry.a-i386-master.o)
  "_CGRectGetMidY", referenced from:
      +[FlurryUtil viewIsVisible:] in libFlurry.a(libFlurry.a-i386-master.o)
ld: symbol(s) not found for architecture i386
```