CFY-1365 use testtools
CFY-1364 added py26 to tox.ini
CFY-1364 python 2.6 compliancy
CFY-1364 python 2.6 compliancy
CFY-1364 python 2.6 string formatting
CFY-1364 python 2.6 dict assertions
CFY-1364 python 2.6 list assertions
CFY-1364 python 2.6 list assertions
CFY-1365 flake8
CFY-1365 handle orderedict for py26
CFY-1365 handle orderedict for py26
CFY-1365 handle orderedict for py26
CFY-1365 handle orderedict for py26
CFY-1365 handle orderedict for py26
Merge pull request #29 from cloudify-cosmo/CFY-1365-python-2.6-compliancy

Cfy 1365 python 2.6 compliancy