Reformat grouping template for readability. Remove comments.
Adding fix and test for extension elements bug

Fixing bug where extension elements were omitted
in normalized wadl in some cases.
Addresses #55.
Updating oXygen project file to use master files feature.
Preserve extension attributes added to methods that refer to other methods.

To support the use of rax:roles on methods.
This addresses #87.
Merge pull request #88 from dwcramer/Issue55

Fixes for #55 and #87 regarding extension attributes and elements.