Replaced "conmin" with "newsumt" in code example in newsumtdriver.rst.
Merge pull request #1397 from pziegfeld/newsumt_fix

Replaced "conmin" with "newsumt" in code example in newsumtdriver.rst.
Changed order of sections in Dev Guide  so Code Development is first.
Merge pull request #1399 from pziegfeld/reorder_devGuide

Changed order of sections in Dev Guide  so Code Development is first, then Plugin Guide.
Updated a redirected link to Pivotal Tracker.
Merge pull request #1401 from pziegfeld/july_linkcheck

Updated a redirected link to Pivotal Tracker.