Remove cfntools from heat-jeos

This also removes the injection code and the unit tests

This files now live in the heat-cfntools project
Use pip heat-cfntools for F17-x86_64-cfntools
Convert the rest of the cfntools TDLs to install heat-cfntools from pip
Remove python-boto package before pip install boto
Convert U12-10 and F18 to pip install heat-cfntools
Merge pull request #45 from steveb/pip-heat-cfntools

Pip heat-cfntools