Added header nav

removed unused css style blocks
Re factored home page slider
Made home page responsive

... except weekly calendar
Made weekly events responsive
Added lour spearker icon
Updated nav icon to be loud speaker
Added a basic mobile nav
Updated "Meet the team" to "Meet Our People"
Highlighting "All" by default on programme listing
Removed random "style-guide" class from template
Updated programme sidebar icons
Added documents link on programme sidebar
Hiding up comming events sections if none found