add module to execute commands via Jenkins Script Console
use target_uri and normalize_uri as well as fix a cookie problem
linux stager plus little cleanup
Merge pull request #1 from jvazquez-r7/jenkins_script_console_mod

Added target for linux stager
Merge branch 'module-jenkins-script-console' of https://github.com/zeroSteiner/metasploit-framework into zeroSteiner-module-jenkins-script-console
finally it doesn't use FileDropper atm