Remove CPopoverManager.
Move private methods and properties to implementation.

Adds some comment headers to the .h and .m files.
Moves imports to the implementation.
Remove obsolete defines. Use enums.
Always call super
Organize category related classes under posts group.
Code style.
Clean up WPAddCategoryViewController

Inherit from UITableViewController
Drop xib - build cells via code.
Do not open as modal, just push onto the nav stack
First pass at a CategoriesViewController

Consolidates functionality that is spread out across PostSettingsViewController,
WPSelectionTableViewController, and WPSegmentedSelectionTableViewController.
Code style WPCategoryTree
Use CategoriesViewController instead of WPSegementedSelectionViewController

Adds a delegate protocol for selecting a parent category.
Removes obsolete code from WPAddCategoriesViewController
Removes references to obsolete notification.
Correctly sets accessory views when tapping to select a category.
Remove obsolete classes.
Use post method instead of casting.
Merge branch 'develop' of github.com:wordpress-mobile/WordPress-iOS into post-settings

Conflicts:
	WordPress/Classes/PostMediaViewController.m
Cleans up branching in PostSettingsViewController

Cleans up some hard to read branching in the PostSettingsViewController. More cleanup to follow.
Stubs out new cells to encapsulate featuredImage and geoloction functionality
Removes some unused views from the PostSettingsViewController xib.

This commit breaks the VC for pages. We'll restore pages functionality in a future commit.
This commit breaks the row height sizing for geolocation and featured images. We'll restore this in a future commit.
Remove outdated picker code.
Removes some unused properties. Extends UITableViewController.
Added the stringByEllipsizingAtLength:preserveWords method to the NSString+Helpers category.
Renamed the elipsize method name for clarification
Created unit tests for the new Ellipsize method
Formatting enhancements to the NSString category