Titanium Studio: install module

1. download module from market place. (zip file)
2. open Titanium Studio > Project Explorer, select target project
3. drag and drop the zip file on the project (if not auto unzip, unzip it by double click. a module folder will appear in the same level as Resources folder.
4. refresh project and open tiapp.xml, use add module button to add module. the newly downloaded module will appear in the list