bump JSON sha1
Bump GLPKMathProgInterface
Bump AWS SHA1
Bump libCURL SHA1
Bump AWS sha1
Bump ProgressMeter sha1 (fix on Windows; compensate for printing latency)
bump Calendar to 0.2.1
Remove SymbolicLP (prefer MathProg)
DecisionTree bump, v0.1.0
Merge pull request #283 from bensadeghi/devel

DecisionTree bump, v0.1.0
DecisionTree sha1 bump
Merge pull request #281 from WestleyArgentum/patch-4

bump JSON sha1
Update Memoize sha1
Bump LibExpat sha1
Bump BinDeps
DecisionTree sha1 bump
Updated README.md to describe versioned subdirs.
Merge pull request #284 from kmsquire/README_update

Updated README.md to describe versioned subdirs.
SymPy: sha1 bump

merge in pull request of vtjnash
bump Calendar to 0.2.2