Merge pull request #298 from tanmaykm/devel

bumped sha1:
Add the GeoIP package
Add DataFrames v0.3.4
Bump Images sha1 (Improve scaling, fileformats)
bump PyCall
bump MathProg suite
Updated GZip: added peek(), updated check_eof()
Merge pull request #299 from kmsquire/devel

Updated GZip: added peek(), updated check_eof()
bump Cubature version
bump Calendar
Update GZip

* replace check_eof() with peek()
* peek() now mimics the C function (returns an int, 0-255, or -1 on eof/error)
Merge pull request #300 from kmsquire/devel

Update GZip
Add DataFrames v0.3.5
Bump PTools SHA1

Added pfork
Add Distributions v0.1.4
NumericExtensions version 0.2.6
Updated GZip: remove buffer copy on read, simplify reading of bits arrays
Merge pull request #301 from kmsquire/devel

Updated GZip: remove buffer copy on read, simplify reading of bits arrays
Add julia 0.2 requirements for all my packages
Bump Images sha1 (more Imagine format extensions)