Add launcher for Onboard.
Add pycharm and bluegriffon to menu.json.
Fix json syntax in menu.json.
Add support for svg and jpg icons
Add xdg-generate
Actually emit menu.json from webmenu-xdg-generate
Support string only commands
Support protocols in osIconPath in menu.json
Make webmenu-xdg actually usable
Install webmenu-xdg
Merge branch 'master' into trusty