We took the time to analyse your project, the error you've got was not the correct one. In fact your project can't be built for these reasons:
/Pods/Headers/UIAlertView+Blocks/UIAlertView+Blocks.h:1:1: error: expected identifier or '('../../UIAlertView+Blocks/UIAlertView+Blocks.h
/GetUp/Flurry.h:128:22: error: expected a type+ (void)setLogLevel:(FlurryLogLevel)value;
Regarding your question on the xcworkspace file, you should know that xcodeproject is the file used to load the project for the conversion.