Merge pull request #290 from rennis250/devel

bump Tk (use latest version on linux)
bump Winston
New Package NumericFunctors.jl (version 0.2.1)
Merge pull request #291 from lindahua/devel

New Package NumericFunctors.jl (version 0.2.1)
Bump Cairo, Tk, Winston.
Merge branch 'devel' of git://github.com/JuliaLang/METADATA.jl into devel
Bump Winston. Added spy and plothist.
Bump Graphs version 0.2.3
Merge pull request #292 from lindahua/devel

Bump Graphs version 0.2.3
Add DataFrames v0.3.0
Rename Sqlite to SQLite and bump sha1
Renamed Sqlite folder to SQLite
Bump NumericFunctors to version 0.2.2
Merge commit '3bdc72770c0e602f4df9147b7107ee3fb3e17f8c' into devel
Merge pull request #293 from lindahua/devel

Bump NumericFunctors to version 0.2.2
Bump Stats to v0.2.3
Merge pull request #294 from lindahua/devel

Bump Stats to v0.2.3
Bump Clustering to version 0.2.1
Merge pull request #295 from lindahua/devel

Bump Clustering to version 0.2.1
Bump Winston, Tk