Pip heat-cfntools

Remove cfntools from heat-jeos, and change all templates to install heat-cfntools (and boto 2.5.2) from pip.

Fedora images have been reasonably well tested, there may be some remaining issues with Ubuntu.

I've yet to attempt to build CentOS.

I'd like to merge this so I can get some help validating the TDLs - its slow work.