integrate bootstrap and fontawesome through less
integrate bootstrap and fontawesome through less: add files
removed old less files, added content to home
added hooks for computed properties
added hooks for computed properties
added session summary used by last session for courses
updated publications to include last session and participantsCount for courses
updated routes with sorting for courses and sessions
courses list as cards
courses list as cards with content
moved to bootstrap with less, added collection-helpers, better display of items in lists by using panels and links for actions
Merge branch 'feature/bootstrap-less' into develop
uniformisation of the card actions links
added removal of courses and participants
changelog and readme updates
Merge branch 'release/0.3.1'
Merge tag '0.3.1' into develop