Show all users with local roles on a Workspace.
Merge pull request #44 from 4teamwork/mle-ignore-reader-role

Show all users with local roles on a Workspace.
Fix LaTeX markup in section heading.
Merge pull request #45 from 4teamwork/jone-pdf-details

Fix LaTeX markup in section heading.
Added new helper method to get icon or sprite for document tab.
Merge pull request #46 from 4teamwork/jin-icon-or-sprites-helper

Added new helper method to get icon or sprite for document tab.
Preparing release 2.2.0
Back to development: 2.2.1
Fix broken upgradestep 1707 if no workspaces exists.
Merge pull request #47 from 4teamwork/es-fix-upgradestep

Fix broken upgradestep 1707 if no workspaces exists.
Added download url to preview.
Added detail url in preview.
Added details and download to preview.
Collapsing filename if it's too long.
Styling.
Moved repositioned buttons to ftw.colorbox.
Removed string shorter function.
Added download and details link to small file preview.
Added delimiter between download and details link.
Updated styling of buttons in preview.