added menu item for metashare-info
added named URL pattern for metashare-info.html
added menu item for metashare-info
make sure to never throw any `UnboundLocalError`s in the `finally` block
Merge branch 'master' of https://github.com/ioannagian/META-SHARE into various-improvements
various smaller menu improvements
Merge pull request #729 from cspurk/various-improvements

various improvements – see individual commits