Updated facet browser with more options

* Changed class names for show more/less facets 
 * Removed link color styling from module css, should not provide any link color styling as it is taken care of by the theme
* Added correct class names to show more/less links
* Rewritten the JavaScript to convert spans into links. Also added cookie support to remember hidden facet groups visibility.
* Added jQuery cookie plugin
* Added support for dynamic number of terms and fixed basic coding style
* Removed test sub-module
* Added settings option so visible facet amount can be decided on facet settings page
* Upped the amount of visible facets
* Proof of concept with show/hide additional facets
* Added numeric option to facet name sorting
* Added posibility to choose how a facet is sorted when dispalyed in frontend
* Updated facetbrowser with functionality based on design suggestion. Choosen facets are grouped and can all be unselected at once. Amount of choosen facets won't have any effect on visible unselected facets.