Setup framework project

Tests in thi Xcode are broken, so were removed
Add Try App target
Queue class with inits
IMplement traversing target tree
Implement `perform` methods
Rewrite to use NSOperationQueue
Concurrent init
Merge branch 'master' of https://github.com/iMartinKiss/GrandSwiftDispatch

* 'master' of https://github.com/iMartinKiss/GrandSwiftDispatch:
  Initial commit
Add README