WDL updated

I've done an update to WDL [1] 

 

Of note:
- Get Operation syntax is simplified. This is obviously the 80/20 case
so it's as simple as possible
- Collapsed Faults and Outputs
- Added the Template and explanation section
- Completed the Schema
- Added all the extra components like version, transferCoding,
mediaType, header.

 

Cheers,

Dave

 

[1] http://www.pacificspirit.com/Authoring/WDL/