Initial Commit
Stub text system components.
Portrait only for now.
Implemented dummy code string.
Textual implementation of text storage with attribute caching.
More meaningful demo contents.
Ignore.
Load text editing stack with demo content.
Disabled spell checking.
Added code type recognition to code string.
Text storage now computes text color from code types.
Added font attribute to text storage.
Updated demo to show line wrapping issue.
Added a simple icon.
Added some static line spacing.
Added static left inset to all lines, making room for paragraph numbers.
Implemented dumb line number retrieval.
Forwarding line number retrieval in text storage.
Display of line numbers in layout manager.
Implemented intelligent line wrapping.