Add in popViewControllerAnimated subclass method.

Add in tests for navigation controller back patch. on_back method now added for screens
Add coverage for nested on_back calls
Always send the cell's index path as an argument.
Add test for verifying that the index_path is passed in arguments on cell taps.
Adds index_path argument to long press actions as well.
Fix on_back_fired spec

-o spec/functional/func_screen_spec.rb
Support tint_color on toolbar buttons

Complete with passing specs! <3
Merge branch 'master' into add_index_path_to_action_args

* master:
  Version 2.0.0
  README updates for 2.0.0
  Also re-fixed issue #233 regression
  When closing to :root, properly trigger . Fixes issue #513
  Version 2.0.0.rc5
  Removed flaky functional test that often fails for no good reason.
  Fixes #510
  Fixes runtime crash when using the indexable table module and a section title is nil
  Removed Gemfile.lock per http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile/
  Adds DummyView to fix setFrame stub issue
  New unit test for making sure that update_table_data works like it should.
  Fixed some inconsistencies and typos in test suite.
Update index_path feature to check arity of the implemented action method

And send the parameters accordingly.
Fixes some test build errors.
Update case statement since Jamon is picky about code quality :P
Merge pull request #497 from clearsightstudio/add_index_path_to_action_args

Add the ability to get the index path with an associated cell action.
Merge pull request #505 from clearsightstudio/toolbar_button_tint_color

Support tint_color on toolbar buttons
Merge pull request #490 from jonmorehouse/on_back

Add in popViewControllerAnimated subclass method.
Adds DummyImageView to fix #522 table cell remote_image stub issue
Merge pull request #525 from chrise86/master

Adds DummyImageView to fix #522 table cell remote_image stub issue
Fixes issue 524.

You can pass a string or UIImage instance to title_image
Merge pull request #527 from clearsightstudio/bugfix/524

Fixes issue 524.
Attempt to improve Code Climate score
Rename method to index_path_to_section_index as in Table