New cxs v11.03

Changes:

• Modified Plesk Onyx installation to check for supported OS and Plesk version for UI extension. If you want to disable installation of the Plesk UI extension, you can create a touch file as: /etc/cxs/cxs.disableui
• Improvements to PHP string decoding
• Updated control panel dependent install.txt files
• Improvements to submitting exploits using –wttw (version check)