Added Fedora info
Merge pull request #331 from hroncok/master

Added Fedora info
More little adjustments to printcore.py output
Widen serial port dropbox to fill available space
Ignoring Mac .DS_Store
Adding w,h parameters to BufferedCanvas.draw

All subclasses of BufferedCanvas require dimensions,
so the interface should be consistent.
Setting BufferedCanvas sizes at creation.

This fixes bug #359
Merge git://github.com/sbliven/Printrun into experimental

Should fix #359 initial issues

Conflicts:
	.gitignore
	printrun/gui.py