Adding Login Scanner for MyBook Live

This is a LoginScanner auxiliary module for Western
Digital MyBook Live NAS devices as well as the spec
for testing.
Fixes to MyBook Live Module

This commit contains three fixes as requested on PR
#4003.  Those include:

+ Removing extraneous puts statement
+ Checking for valid response
+ SSL support.
More Fixes for WD MyBook Live Scanner

Fixes include removing deregistered options
from credentials collection object and adding proof
 when there is no response
Cleanup.  Sanity check in setup.  vprint
Properly encode body and catch invalid configs
Add module for CVE-2014-4113
Add exploit source code
Merge pull request #1 from jhart-r7/landing-4003-jhart

Cleanup.  Sanity check in setup.  vprint
Initial addition of x64 target for cve-2014-4113
Delete 'callback3' also from 32 bits version
Delete verbose print
Make GetPtiCurrent USER32 independent
Land zeroSteiner/metasploit-framework#9 clean up
Do version checking minor cleanup
Land zeroSteiner/metasploit-framework#10 check clean up
More robust check routine for cve-2014-4113
Update description about pureftpd_bash_env_exec

Make exploitable requirements more obvious
100 columns per line
Remove unnecessary C debugging code for the exploit
Make the check routine less strict