don't add subtree of a document to parent document and small performance improvement
Minimal image tag support for raster images
Add data-uri scheme (embedded images) to image support
Merge pull request #38 from planetclegg/master

Minimal image tag support for raster images
Fix for text when using Style="font:.."  format. e.g. style="font: bold 16px/normal 'trebuchet ms', verdana, sans-serif;"
Fix fr lowercase font family not being found.
Fix for font not being set after fontsize is set.
Fixed a bug that results in a wrong path position if a path contains a relative position after a close path segment (z)
Merge pull request #40 from Rob1080/StyleFonts

Fix for text when using Style="font:.."  format. e.g. style="font: bold ...
Merge pull request #45 from user37337/master

Fixed a bug that results in a wrong path position if a path contains a relative position after a close path segment (z)
Merge remote-tracking branch 'origin/master' into textEvents

Conflicts:
	Source/SvgElementCollection.cs
changed attribute collection key strings to reflect the original svg attribute name
svg element has content changed event