CLOUDIFY-2528 get machine ip from runtime properties and raise error if ip doesn't exist
CLOUDIFY-2528 dont get ip from runtime properties if ctx is not of a node
CLOUDIFY-2528 initialize ip with None value
Merge pull request #16 from CloudifySource/feature/CLOUDIFY-2528-uninstall-continue-on-failure

CLOUDIFY-2528 get machine ip from runtime properties and raise error if ...
CLOUDIFY-2528 get machine ip only for remote installations
flake8
flake8
CLOUDIFY-2604 call apt-get update before installing setup tools and removed unused yum related code
added apt-get install -f to solve missing packages
hotfix
Update tasks.py
Update tasks.py
Merge branch 'develop' into feature/CLOUDIFY-2545-blueprint-plugins