merge options with region config so it's easier to override from the element.
adds newlines and paste support (with text sanitization) options to the plain region.
makes snippets not contented-editable.
spiking on html regions having snippets (successfully loads snippets).
defines minimum browser requirements (min ff version is 22, which is in beta).

- cleans up some of the paste code needed for ff.
- adds minimum version for wysiwyg support + ff.
fixes a bug where ff was always prompting on navigation even if changes weren't made.
adds semi-colons.
breaks data cleaning into a separate method so it can be overridden easier.
adds jQueryUI as a dependency for snippet regions so snippets can be sortable. sigh..

- looked at several other options but they didn't work as well (in general this isn't as bad because it's not used for anything other than this region)
removes a debugger from the snippetable module and adds a call to onLoadSnippet if it's defined.
cleans up some plain region specs that will need to be rewritten.
general cleanup/bug fixes.
adds an advanced image region example -- using http://camanjs.com/ to do photo manipulation.
fixes a broken spec.