DFS working, pending debugging...
woohoo DFS solved the composition problem
rail framework is mostly bug free, adding code to handle
strength value handling to RailwaySystem
Composition and decomposition fully functional
Merge branch 'master' of github.com:opencog/opencog
Fix a void return ...
trivial whitespace fix
Misc minor whitespace and typos
plan extension for negative values
dyanamic fs is no longer experimental.

It works amazingly well, actually.
Make the namespace usage clear.
Whitespace and documentation fixes.
Push some dead code out of the way.
Minor cleanup
Move code out of the header file
Move more code out of heaer file
Misc header-file cleanup
Get rid of a major namespace polluter

Oofdah!
Imissed a few spots with previous commit
Oops, missed a spot