Css fixes
tag controllers
tagging in the episode log + tag formatter + episode create/update rework
tag and tag list pages, tag formatter improvements
composer self update
turning back the tagging formatter
adding links to all kind of tags
show.definition is editable by the authors
enable target attribute for a html element (closes #126)
support to cut the unnecessery beginning of a file
ability to edit starting time of the episode
fix client side authorization (closes #121)
trust in our html sanitize function (closes #119)
exclude vendor from the test coverage report
Merge branch 'develop'