Add StatusBar as a GUI component
More description on TextEdit design
TextEdit tryout code
Makefile for task management
Add main tryout task
Add run task to Makefile
TextEdit initialize layout
Note for running and testing
Define GUI IDs in TextEdit
Change TextEdit design
Doc: running/testing notes
Fix wrong name @ concept
TextEdit tryout works
Clone TextEdit class to refactor
Now we have TextBufferWidget, which is a part of TextEdit
Comment old TextEdit class, since the its new version is TextEdit2
Modify description about TextEdit widget
Restructure odcs
Docs changed, insignificant
Finish separating TextBuffer and TextEdit