Adds four packages

FunctionalCollections
FunctionalUtils
ExpressionUtils
ValueDispatch
Merge pull request #233 from zachallaun/FunProg

Adds four packages
Add Metis package - a Julia interface to the Metis graph-partitioning library.
Merge pull request #234 from dmbates/devel

Add Metis package - a Julia interface to Metis
URLParse: parse URLs into components and re-create URL string from components
Merge pull request #235 from tanmaykm/devel

URLParse: parse URLs into components and re-create URL string from components
Bump PatternDispatch
Use canonical github url, with .git at the end
Use canonical github url, with .git at the end
Use canonical github url, with .git at the end
Use canonical github url, with .git at the end
Package url must be git://
Graphs version 0.2.2
Merge remote-tracking branch 'upstream/devel' into devel
Merge pull request #236 from lindahua/devel

Update Graphs.jl to 0.2.2
bump JSON
Merge pull request #237 from forio/devel

bump JSON
Bump libCURL sha1

Renamed _async versions as _nb (non-blocking) versions
Regular APIs support nb(non-blocking) flag
Shortened keyword argument names
Folded file upload ( "_file" versions) functionality into regular APIs
Merge pull request #238 from amitmurthy/patch-1

Bump libCURL sha1
Faster load of translate and change of deprecated functions of Julia 0.2