Updated to corectly load responseStream
Parse Xml with multiple parameter

New test added
Use XElement instead of XNode

Changed the definition of ParseInfo , ParseArea , ParseResource to use
XElement instead of XNode .
Parse Xml with multiple area

Also test added for multiple area
Parse Xml with multiple resource
Parse Xml with multiple categories
Parse Xml with single/multiple polygon

Replaced string with List<string> in the definition of polygon . Added
tests for single / multiple polygons .
Renamed polygon to polygons

Methods now return ICollection , not List
Merge remote-tracking branch 'upstream/master'
Parse Xml with single/multiple circles

[ Also added tests ]
Fix merge issues
Merge branch 'vltadrian-master'