Add MathProgBase package for solver-independent mathematical optimization
Properly bump Clp
Mustache: bump sha1

Merge in NCollins addition
Update sha1
fix Clp version requirements

thanks @simonster
Update Catalan
Merge pull request #179 from andrioni/devel

Update Catalan
added JudyDicts: julia interface to libjudy library
Merge remote-tracking branch 'upstream/devel' into devel
Merge pull request #180 from tanmaykm/devel

add JudyDicts
Added ImmutableArrays package.
Added requires for ImmutableArrays for Julia >=0.2.
Merge pull request #181 from twadleigh/devel

Adding ImmutableArrays package.
bump StrPack

Picks up Keno's supertype changes.