updated bootstrap gem
made header/navigation bar responsive with botstrap 3
finished home page bootstrap upgrade (excl. badge and logo)
fixed navigation overflow with display:table hack
badge image parts created
migrated login and registration forms to bootstrap (some minor adjustments on login form are still required: margin between elements, stay signed in checkbox) ... also: the forms are very similar => cries for a refactoring once everything is fine again
completed refactoring of signup and signin badge view :)
refactored css for signin and singup
minor layout change (control-group siblings
converted random speakerinnen photo grid on start page to bootstrap 3 and improved its layout
converted about-grid on start page to bootstrap 3
converted cetegories-grid on start page to bootstrap 3
cleanup header, footer and start page markup a bit
minor improvements in about section on start page (margin between cols in xs-mode) and refactorings in start page css
refactoring of css and markup of start page and footer
refactored markup on start page, unified usage of h-tags, refactored tag cloud view (profiles/_tag.html.erb) and category view (profiles/category.html.erb)
almost done with paginator css upgrade
fixed bug on home page, if there are no categories in the system
finished paginator css upgrade
fixed height in random speakerinnen photo grid for each element now (required by bootstrap grid system to work properly)