Merge pull request #255 from zachallaun/FactCheck

Bump FactCheck sha1
Bump FunctionalCollections sha1
Merge pull request #256 from zachallaun/FunctionalCollections

Bump FunctionalCollections sha1
Bump Tk sha1 (convenience methods, move visibility into Window constructor)
Bump Cairo sha1 (coordinate convenience wrappers)
Bump MAT sha1
Bump StrPack sha1
Add Memoize.jl, an improved version of extras/memoize.jl
Add DataFrames v0.2.3
Added LibExpat
Merge pull request #257 from amitmurthy/LibExpat

Added LibExpat
Bump GLPK 0.1.1->0.1.2 0.2.1->0.2.2
Add GLPKSolverInterface
Add DataFrames v0.2.4
Bump Color sha1
Merge branch 'devel' of git://github.com/JuliaLang/METADATA.jl into devel
Bump HDF5 sha1 (major cleanup and performance improvement)
Add FastaIO
Bump FastaRead (now deprecated)
rename GLPKSolverInterface->GLPKMathProgInterface

also bump it