#437 Design updates to committee template
#437 Changed colour of nav & edit buttons and updated header
illustrations.
Merge branch 'develop' into feature/community-templates
Updated the Entrada sidebar navigation in the Committee template.
#437 Updated the Virtual Patient Template to Bootstrap 2. Tightened up the design and added some images. Also updated the thumbnails for updated templates.
Updated Entrada sidebar block.
#437 Updated the Learning Module template to Bootstrap 2.0. Updated the sidebar dropdown menus for all templates. Tightened up all of the templates.
Upgraded Zend Framework to version 1.12.9
Removed unused cron job, and minor changes to the most-active-communities.php job.
Removed weird global declaration for $translate.
Visual updates to the Communities index page, including refined community search. Update to the search_description() function in functions.inc.php.
Updated the "Previous" & "Next" links to use the Bootstrap style pager.
Removed breadcrumbs from non-admin side as I'm not sure they're needed. Also used the bootstrap style breadcrumbs instead.
Added the missing Bootstrap glyphs, and added Bootstraps pager buttons to the community templates.
Merge branch 'develop' into feature/community-templates
#437 Bootstrapped all files in community > modules. Updated style.css and screen.css stylesheets.
Merge branch 'feature/community-templates' of github.com:EntradaProject/entrada-1x into feature/community-templates

Conflicts:
	www-root/community/templates/default/index.tpl
Removed the system_navigator (Table of Contents bar) from Entrada. It was deemed useless clutter. Also cleaned up some unused CSS files.
Cleaned up the CSS, and fixed some HTML validation errors.
Committee and Virtual Patient Community Templates: Replaced Bootstrap 2.3.2 with minified versions. Removed unused stylesheets. Unified style.css and stylesheet.css, then ran it through a CSS tidier. Fixed HTML errors that were preventing validation.