Added a separate agent for using pattern miner without OAC.
Added a separate Atomspace for loading clean test corpus.
Fixed a bug in CMakelist file for pattern miner.
Added the necessary pre-load scm files into corpus Atomspace.
Merge branch 'master' of http://github.com/opencog/opencog into PM
Comment out the pre-load Pattern Miner corpus scm file in embodiment default conf file.
Merge branch 'master' of http://github.com/opencog/opencog into PM
Merge branch 'master' of http://github.com/opencog/opencog into PM
DFS working, pending debugging...
added a customized Atom2String function to make keystring for unified pattern.
woohoo DFS solved the composition problem
rail framework is mostly bug free, adding code to handle
strength value handling to RailwaySystem
Fixed sorting patterns and extra the first gram patterns.
Composition and decomposition fully functional
Merge branch 'master' of github.com:opencog/opencog
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