Added more details to font shorthand decompression unit test
excluded some descriptions from coverage
added serial queue
cleaned up synchronization in layouter
reindented
Added synchronization to layout frame
removed layout queue, since we’re synchronizing via @synchronize
Merge branch 'od/issue_606' into develop
replaced blocking perform with smart dispatch
should fix #635
Updated DTFoundation for block function
Merge branch 'od/issue_635' into develop
replaced DTVersion with recommended method #646
Replaced DTVersion in DTAttributedTextCell #646
removed DTVersion in DTCoreTextFontDescriptor #646
cleanup
simplified DTHTMLWriter, use NSDictionary+DTCoreText methods for getting foreground and background Color. #646
Replaced DTVersion in unit test, #646
Replaced DTVersion in DTHTMLAttributedStringBuilder #646
Merge branch 'od/issue_646' into develop
added constant for comparing against iOS 7 foundation versions