fix(authoring): display task creator on content-item info tab

SD-768
Merge pull request #482 from nidzix/authoring-info

fix(authoring): display task creator on content-item info tab
fix(archive): Make all item actions work in sidebar

Fix notifications catch
Fix right pane preview styling

SD-751
SD-827
SD-705
fix(style): Improve create button

One (+) to rule them all

SD-900
Merge pull request #483 from nidzix/devel

fix(archive): Make all item actions work in sidebar
Merge pull request #484 from nidzix/create-button

fix(style): Improve create button
fix(authoring): Lint fix
Merge pull request #486 from nidzix/devel

fix(authoring): Lint fix
feat(user groups) - add support for user groups.

SD-770
SD-771
SD-893
SD-896
SD-726
feat(user-groups): improve ui
feat(user-groups): get rid of require in groups
Merge pull request #1 from nidzix/user-groups

feat(user-groups): improve ui
Merge pull request #487 from amagdas/user-groups

feat(user groups) - add support for user groups.
Merge remote-tracking branch 'upstream/devel' into devel
Merge branch 'devel' into vocabullary