Merge pull request #41 from cloudbase/master

Merge Cloudbase fork
Added cmake call for casablanca. Added error messages and test for casablanca.
Updated FindCasablanca and setup-all to use libcpprest instead of libcasablanca. Fixed a few issues.
Updated setup-all to use cmake instead of autotools
Switched install script to use EHS from github
Fixed FindOpenSSL and a few other linux build issues.
Changed ehs include directive
Changed install prefix to /usr
Moved sudo check into main
Fixed ifdef warning
Merge pull request #14 from mrd-cloudbase/master

Ubuntu 12.04 install support