1st: Create a Launcher (something.desktop) in $HOME/.local/share/applications
2nd: Find the Launcher in Dash and try dragging and dropping it onto the Unity Launcher (the thing on the side)
3rd: Move the Launcher you created to /usr/share/applications
4th: Repeat step 2
Steps to reproduce:
1st: Create a Launcher (something.desktop) in $HOME/. local/share/ applications applications
2nd: Find the Launcher in Dash and try dragging and dropping it onto the Unity Launcher (the thing on the side)
3rd: Move the Launcher you created to /usr/share/
4th: Repeat step 2
Sorry for not making this clear.