Add IE11SandboxEscapes source
Use %windir%
Resolve undefined method `get_cookies'

Anemone::Page is not a Rex HTTP request/response, and uses the
:cookies method to return an array of cookies.
This resolves the method naming error, though it does break with
Rex naming convention since Anemone still uses a lot non-Rex
methods for working with pages/traffic.
Bump to p547 to fix a regression in p545

In my excitement of landing #3281 I didn't check to see if there was a
newer Ruby available. Turns out, p547 was released on May 16, and fixes
a regression regarding OpenSSL.

Announcement:

https://www.ruby-lang.org/en/news/2014/05/16/ruby-1-9-3-p547-released/

Sorry about the shuffle.
Land #3409, fix for http crawler
Land #3410, 1.9.3-p547 for .ruby-version
Include meterpreter bins, add Sandbox builds

This commit contains the binaries that are needed for Juan's sandbox
escape functionality (ie. the updated old libloader code). It also
contains rebuilt binaries for all meterpreter plugins.

I've also added command line build scripts for the sandbox escapes
and added that to the "exploits" build.
Land @OJ's updated meterpreter binaries
Land #3402 IE 11 sandbox source and updated bins
Merge remote-tracking branch 'rapid7/master'