Updates to remove discovery filtering to URI query parameters and go back to the findServices() filter parameter:
* widlprocxmltohtml.xsl: Removed heading text for "Feature" stating filtering through URI query parameters.
* Discovery API: Removed text on filtering with URI query parameters and added two examples in the Filter dictionary section.
* Sensor API: Removed text on filter parameters for Proximity feature.
Merge pull request #26 from ClaesNilsson/master

Updates to remove discovery filtering to URI query parameters and go back to the findServices() filter parameter: