README specifies a DNS service discovery name

Rather than a host address and port number.
Wrap long Objective-C lines
Shorten long Objective-C lines
Detail comments for Cucumber run-time

Work in progress.
Updated CFSockets, fetch from OCCukes/CFSockets

Submodule CFSockets 51ad5f4..2d994a7:
  > Merge branch 'develop'
  > Merge branch 'hotfix/appledoc'
  > Merge branch 'hotfix/doxygen'
  > Merge branch 'hotfix/travis-ci'