refactored the way spec is calculating 'Member for..' on users/show.hrml.erb_spec
added 'act_as_taggable_on' and updated the show method in projects_controller. Tags need to be added manually in rails console.
added server-side filtering by tags and sorting in alphabetical order
added filtering to project member list for profile privacy
Merge branch 'fixes' into develop
fixes from thomas
added migration, fixed tests, precompiled assets
added css styling to video published date
quickfix for navbar affix problem
Merge pull request #163 from yggie/fixes

Added filtering by tags