Add basic invisible specs
Add setInvisibles method
Pass invisibles down to lines component
Spec :lipstick:
Only pass invisibles through to the line component if needed
Put EOL invisibles into their own scope
Add Visual Studio 2010 SP1 download URL

Many people are confused by indicating just Visual Studio 2010 Express without SP1
:memo: Unify the two contributing documents

Both documents had some really great stuff to them, but there was too much
overlap. I did my best to unify them into one document, taking the best
features of each.
Fix typo
Remove unnecessary spec
Show carriage return invisibles
Use screen line count to determine renderedEndRow
Add soft wrap support to invisibles
Remove unnecessary spec
Update lines component when invisibles changes
Add failing spec for toggling showInvisibles config option
Re-render the lines when the showInvisible config option is triggered
Make editor component spec pass
:lipstick:
Concat strings instead of joining an Array