Merge branch 'release-v0.1' into develop
touch up README
Fix whitespace issues and case of class name
Rename helper file so it works on case sensitve file systems
Simplify view helper calls and change how CSS sizing is handled

Not the smoothest way to do it, but there's a new option:
openseadragon_css_public_override, if you don't want the
the custom width/height loaded into the public header
automatically.
Create release v0.2
Merge branch 'release-v0.2'