Glyphs. And Sequences of glyphs.
Drawing of a single glyph works.
Multiple glyphs
Fixes to glyph positioning.
Retain / release fixes. Show selection.
Merge branch 'florian'

Conflicts:
	Letters.xcodeproj/project.pbxproj
	Source/RootViewController.m
Merge branch 'master' of github.com:danieleggert/letters
Fix crash.
Show selection.
UI for adding more text.
Multiple selection
Improvement of multiple selection
Added glyph deletion
Adding text.
Merge branch 'master' into florian

Conflicts:
	Source/RootViewController.m