Added basic VoiceOver support to DTAttributedTextContentView.
Modified demo text view controller to hide non-visible content views to avoid conflicts with VoiceOver.
Invalidate accessibility elements when explicitly setting the layout frame.
Created view proxy for accessible attachments as subviews.
Merge upstream.
Re-added accessibility files to project.  Documented DTAccessibilityViewProxy
Documented DTAccessibilityElement.  Modified the designated initializer.
Documented layout frame accessibility element generator.
Added some comments.  Implemented hash/isEqual in view proxy.
Increased min required versions for podspec
Merge branch 'develop' of github.com:Cocoanetics/DTCoreText into develop
Merge branch 'develop'
added support for soft hyphens
Change underline position to use the lowest for entire line, fixes #454
Merge branch 'od/issue_454' into develop
Implemented method to get max font size and revamped scanning of glyphs #488
Added convenience methods to get text blocks and paragraph style for line
Set up method to specify options for getting baseline origin of line based on previous one
Added positioning options enum
added min/max line height support and "normal"