[Bf-modeling] Connect tool, functionality change: request for feedback

[Campbell Barton]

Hi, I was looking to make the connect tool support selection-order.

However this changes existing behavior in some cases, I've made it
optional, but interested in feedback.

Heres a video showing the changed functionality & the problem-case:

  http://download.blender.org/ftp/ideasman42/temp/D764_design_issue.webm

Patch:

  https://developer.blender.org/D764

-- 
- Campbell