Bugfix in EC2 connector with the image block_device_mapping
Bugfix in ctxt_agent.py returning value when different contextualize steps fail
Improvements in EC2 connector removing keypair and sg in case of failure in the VM launch
Bugfix in EC2 connector with the image block_device_mapping
Code improvementes in ConfManager, and set version number 1.1.1
Merge branch 'devel'