Renders station name in a custom font

Calvert, for licensing reasons, is not supplied as part of this commit, but is expected in assets/fonts
Merge branch 'master' into fonts

Conflicts:
	MetroAppWidget/src/uk/co/samhogy/metroappwidget/MetroTimeProvider.java
Cleanup of font rendering code
Merge pull request #13 from sh1989/fonts

Fonts