Unification

[oubiwann]

All of the various forms of documentation identified in ticket #63 need to be brought into the fold:

• Use some form of configuration for page-building - Use some form of configuration for page-building lfe-deprecated/docs3#1
• Come up with a re-direct plan for existing docs - Come up with a re-direct plan for existing docs #51
• Support generating pages with HTML fragments - Support generating pages with HTML fragments #93

Part of Milestone v3 #62

[oubiwann]

Closing for v3.0 release; moving uncompleted features/tasks into epic #97 of the v3.1 release.