fixed ec2 als_demo demo script
fixed a bug in dox for collaborative filtering
started moving factor toolkit out of deprecated
added the factor graph/belief propagation toolkit
Merge pull request #10 from dbickson/master

fixed ec2 als_demo demo script
removed uncessary assertion from svd.cpp
removed comment
removed an unneeded trace
added factor graph unit tests
avoid the serialization penalties if the string will just be discarded
added the option to turn off MPI
added a distribution statement
Merge branch 'master' of https://github.com/scott-vsi/graphlab
added a new log level (LOG_EVERYTHING) to the logger.
Merge pull request #12 from dbickson/master

Removed unneeded assertion from SVD code
Merge pull request #11 from ylow/master

Removed old research-experimental-legacy-stuff from apps and ext-apis.
Moving Aroma's latest DD code + description to Github
Moving Prakriti's latest stitching code to Github
Merge pull request #14 from scott-vsi/factor_graph

I looked over the pull request and the code looks great!  I will re-enable building against MPI by default after accepting the request but will add a configure option to disable MPI.
renable MPI by default