Create AptanaStudio3.desktop

1. Install the prerequisites
sudo apt-get install openjdk-7-jdk libjpeg62 libwebkitgtk-1.0-0 git-core
2. Download Aptana Studio
3. Extract Aptana Studio
sudo unzip [name of Aptana Studio ZIP file here].zip -d /opt
4. Add the menu shortcut
/usr/share/applications/AptanaStudio3.desktop