Create split view controller
Setup split views in Interface Builder
Rename some methods
Insert CESplitViewController in responder chain
Setup navigation bar in Interface Builder
Use Autolayout in sub split view
Add animation to toggling navigation bar
Use template images on navigation bar buttons
Localize navigation bar
Organize project
Fix responder chain
Merge branch 'refactor/navigationBarController' into refactor/viewController
Refactor markup incompatible chars
Remove a needless view
Retain normal NSLayoutManager in syntax parser
Simplify updating close split view button
Tweak some class visibility
Refactor CEEditorView class to NSResponder subclass named CEEditorWrapper
Move some methods from CEEditorWrapper to CESplitViewController
Sync theme in split views