Changes .css to .scss and renames if's main branch to "then"

 * hides all BPEL elements currently not handled by the CSS
Ignores .iml project file
Simplifies .css and removes display of "condition"
Positions "name" next to <<type>>
pins jQuery version to 2.0.3
Moves comment to scss
Initial version for AMD module
All activities now have a linear colored background