fix(ui): fix shadow on all lists

lint fix
fix(ui): fix overflow on dashboard
fix(ui): fix active states on lists

lint fix
testing ment.io
fix(ui): implement latest design changes in preview layout

fix(ui): improve sidebars
chore(bower): set dependencies to specific versions
fix(views): provide feedback if required fields are missing

SD-674 SD-546
Merge remote-tracking branch 'tolga/devel' into devel
Merge remote-tracking branch 'petr/devel' into devel
Merge remote-tracking branch 'nikola/user-mentions-ui' into devel

Conflicts:
	bower.json
fix(e2e): make e2e tests pass