Moved DTTextAttachmentDrawing to glyph run loop before coordinate system is flipped #504
Added DTIgnoreCustomHTMLAttributes constant #503
Wired up property to ignore custom HTML attributes #503
Renamed property and option to be positive, default is off #503
Merge branch 'od/issue_503' into develop
Added background-color unit test for DTHTMLWriter #506
Merge branch 'od/issue_506' into develop
Merge branch 'od/issue_504' into develop
update pod spec for 1.6.1
added 1.6.0 and 1.6.1 links to read me
updated docs version to 1.6
Merge branch 'release-1.6.1'
Merge branch 'master' into develop