Merge pull request #1 from steveb/master

Script to create cfn-* symlinks in /opt/aws/bin
Update version to 1.1

This has already been released to pypi.
Synchronise with the current heat-jeos cfntools
Add cfntools unit test to sync with heat-jeos.
pip-requires and test-requires

This includes boto==2.5.2 to work around issues with too old and too new
versions of boto
Use testr to run the unit tests.

Run unit tests with:
./setup.py testr
prepare for next release