subproject commit
Merge branch 'master' of https://github.com/cabosoft/DTCoreText

# By Oliver Drobnik (331) and others
# Via Oliver Drobnik (104) and others
* 'master' of https://github.com/cabosoft/DTCoreText: (402 commits)
  C++ header import suport
  Changed DTAttributedTextContentView to discard invalid CGContexts.
  fixed missing doc for param
  Updated podspec with different path for prepare_command
  removed individual change log links from readme
  Updated to DTFoundation 1.6.1
  should not have been part of this PR
  missing from the last commit
  added support for border-color,border-radius, border-width
  Perform unit tests on 6.1 sim
  Added syntax highlighting for code snippets in Programming Guide
  Added docs about working with remote images, added a link to Programming Guide in Readme
  also build with 64-bit macros for 64-bit simulator
  Added 1.6.9 link to readme
  Updated podspec
  Fixed warnings resulting from dual building for arm64 and 32-bit #649
  Implemented option to ignore inline styles closes #649
  Added unit tests for #649
  further header to be repackaged for #656
  Added some repackaged headers from DTFoundation to frameworks
  ...

Conflicts:
	DTCoreText.xcodeproj/project.pbxproj