Update version 5 road map to reflect the actual tasks that will be
completed during the current development cycle.
Add version 6 road map and add tasks not completed from the version
5 road map and the general road map.
* Remove tasks that are not going to be completed by FOSDEM 2017 release
(hopefully) announcement.
* Update item task lists to reflects changes discussed at CERN meeting.
* Update item status to reflect the current state of the tasks.
* Add a few new changes that are slated for release.
* Revise the generic road map by deleting complete items and adding new items
discussed at CERN meeting.
* Remove unused definition from config.h.cmake.
John Beard
Wayne Stambaugh
Maciej Suminski
Wayne Stambaugh