Add libextobjc pod
-  Allows to use weakify and strongify with blocks
Tests for TimelineViewController
- test  that methods are called in viewDidLoad
- test for the startTimer method
awesome block stubbing
He can code but he can't name
Refactor TimelineViewController_Extensions.h file
Test for currentMinutes methods in OFTimerTestcase
Refactor app delegate class, removed unused code.
Removed unused comments on app delegate files
Missing Pod files