title: ONLYOFFICE and mime-types assosiasions
body: <p>I`m using Elementary Os Loki and wanted to use ONLYOFFICE.
  I tried installing the last deb file from official site and tried to use the repo(no change). The problem is that when the package installs it doesn`t register itself to allow opening the file from filemanager or terminal(desktopeditors -f example.doc or smth).
  I found whole dir in the official repo where I think all logic is handled.</p>
  <p>(<a href="https://github.com/ONLYOFFICE/desktop-apps/tree/master/win-linux/package/linux/qt-installer/packages/onlyoffice/data" rel="nofollow noreferrer">https://github.com/ONLYOFFICE/desktop-apps/tree/master/win-linux/package/linux/qt-installer/packages/onlyoffice/data</a>)</p>
  <p>I also tried to fix  by changing file in /usr/share/applications - defaults.list and desktopeditors.desktop.</p>
  <p>Please fix this or give a nice explaination if it a feature.
  The only way to open a file is to use internal file chooser dialog or to drag&amp;drop a file on the window.</p>