new exploit module for CVE-2008-2286, Altiris DS
Introduced PrependMigrate, PPID killing and general clean-up
removed PrependMigrate, introduced migrate -f
Add `getproxy` command

This command pulls out system proxy details on windows machines.
Removed generic command execution capability
Updated meterpreter binaries

Includes the following changes:

* Security cleanup - remove use of insecure functions
* Windows 8/8.1/2012 R2 support to sysinfo
* VS 2013 upgrade
* Command dispatcher refactor
* Getproxy command added (needs MSF side too)
Updated for temporal pathing with TEMP variable
Add another default owa url

Its not default, but not uncommon to find /exchange/ NTLM protected
Fix indentation and refactor send_update_computer
Move module to the misc folder
Clean check method
Make xp_shell_enable instance variable
Clean post exploitation code
Merge pull request #1 from jvazquez-r7/review_pr2517

Review PR 2517 Altiris SQLi
Use instance variables for 1-time injections
Land #2517, @3v0lver's exploit for cve-2008-2286
Land #2592, add getproxy

Needed for new functionality in #2612
Land #2612, Update meterpreter bins

Not only does this happen to fix a recently discovered bug in running
some post modules, but this updates Meterpreter bins to the
latest generated set, which includes the VS2013 conversion.

[FixRM #8628]
Land #2592 and #2612

  * Adds getproxy support (required by new functionality in #2612)
  * Rebuilt binaries with VS2013 (slightly smaller).
Land #2614, another default OWA URL