Merge branch 'release-1.6.6'
Update Setup Guide-template.markdown to show images
Merge pull request #584 from Gabrail/patch-1

Update Setup Guide-template.markdown to show images
Also copy foreground color for end-of-paragraph \n, fixes #590
Fixed build warning, libtool does not like -ObjC
Test
Advanced DTFoundation to fix some build warnings
Removed run script phase from unit tests, not necessary
Added unit test for #588
Removed log in DTFoundation unit test
removed unnecessary extra \n inside list item, fixes #588
#588 current test
Merge pull request #591 from Cocoanetics/od/issue_588

Merge for Issue 588
Moved hex methods for color into DTColorFunctions
fixes #572
Merge pull request #592 from Cocoanetics/od/issue_572

Moved hex methods for color into DTColorFunctions
removed link to non-existing file
include programming guide in xcode project
Made font preloading optional, closes #586
Merge pull request #593 from Cocoanetics/od/issue_586

Made font preloading optional
Reformatting urls embedded in iframe from youtube. Otherwise they don't play in the application