Added XMLBuilder
Changed WMS GetCapabilities to use XMLBUilder, Fixes #249
Unit test for WMS GetCapabilities failing to escape & character
Changed TMS GetCapabilities to use XMLBUilder
Ensure GetCap docs are UTF-8 as advertised
Changed WMTS GetCapabilities to use XMLBUilder
Unit Test for WMTS with unbounded style filter
Fix missing Style element in WMTS, Fixes #220
Merge pull request #248 from smithkm/xmlbuilder

Better XML generation for GetCapabilities