Fixed all the links, EXCEPT 'Browse the site' and 'Browse are services' sections;
Fixed url address to reset on page change (added 'null, true' as final parameters to ->url();) ;
Fixed picture links;
Fixed Services on Site Sections to extend/collapse only when on right page;
Implemented BREADCRUMB;
Added Services' submenu population from DB (no more hardcoded links);
Cleaned up the code a bit from last commit.