update xocde8 bugs

1. Undefined symbols for architecture armv7

Undefined symbols for architecture armv7:
"_OBJC_CLASS_$_FYSDKComPlatform", referenced from:
objc-class-ref in AppDelegate.o
"_OBJC_CLASS_$_FYSDKInitConfigure", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

solve:

Build Settings -Build Active Architecture Only 中的Debug改为YES

2. ld: library not found for - IQKeyboardManager