cms-sw/cmssw — pull request #6623 by cmsbuild (2014-11-26 13:24:10+00:00)
Title: Update CkfTrajectoryBuilder to handle hitless seeds

Making the pull request after discussing with Tracking POG and giving the presentation during the Tracking meeting on the 17th November (as discussed and linked in the code comments).
Automatically ported from CMSSW_7_3_X #6566