Web iis docs

See
- #990 
- https://trac.openmicroscopy.org.uk/ome/ticket/12505
IIS calls them applications
![screen shot 2014-12-05 at 13 23 28](https://cloud.githubusercontent.com/assets/1644105/5316304/f24dcd4a-7c81-11e4-9349-d2f7c5ae6676.png)