Remove misc.less, correct checkbox/radio w/o text label style, move placard and select CSS rules

[interactivellama]

• Fixes #1196.
• Removes misc.less and places existing LESS inside control classes to avoid CSS rule collision and play nice with everyone since .fuelux is often applied to the html tag.
• Added checkbox/radio (no-JS) example within .input-group-addon markup, so we can monitor what that looks like going forward.
• Made example for inline radio and checkboxes use span, since it may be within a span container and a div within a span is a validation no-no.

I'm going to call this a style breaking change, since if you were using .glass outside of placard then this is going to break that. However, that class was never documented and therefore this isn't a breaking change, and I'm assigning it to a bugfix release.

[swilliamset]

Please keep your PR focused on the issue it is intended to resolve. The refactor of the misc.less file should be another PR especially if there is potential for it to be a breaking change. Please update the branch minus those changes.