implementing tabs

Tabs for pages
jquery asset restructuring
jquery jquieryui  updated

rudimentary jui themes added

@todo update jquery syntax live() deprecated etc.
fixing up asset structure
added tab hash support

Using prefix #tab_ + id prevents scrolling to original divs on click and
visits.
renamed some ids
hiding page options
changed jquery back to 1.7.1

fixes issues for now.
hiding tab list

hiding tab list until tabs load
hide meta tab
indentations
Merge pull request #508 from GetSimpleCMS/feature502

Feature502