Ubuntu app launcher

Ref: https://askubuntu.com/questions/990833/cannot-add-custom-launcher-to-ubuntu-dock-add-to-favorites-option-does-not-sh

1. create file:

sudo vim /usr/share/applications/intellij.desktop

2.add the following

[Desktop Entry]
Version=13.0
Type=Application
Terminal=false
Icon[en_US]=/home/rob/.intellij-13/bin/idea.png
Name[en_US]=IntelliJ
Exec=/home/rob/.intellij-13/bin/idea.sh
Name=IntelliJ
Icon=/home/rob/.intellij-13/bin/idea.png

3. mod permissions

sudo chmod 644 /usr/share/applications/intellij.desktop
sudo chown root:root /usr/share/applications/intellij.desktop

4. add to dock / favourites

gsettings get org.gnome.shell favorite-apps

return ['appname-1.desktop', 'appname-2.desktop'] so:

gsettings set org.gnome.shell favorite-apps "['appname-1.desktop', 'appname-2.desktop', 'appname-3.desktop']"