setup.py and yaml support in fuel
setup.py and yaml support in fuel

removed setup.py

removed automatic host config

serialization methods refactored

Fixed task error message

fixed yaml serialization

unified formatted printing

Change-Id: I5bfdffd65c5afcff27f4f5fce10893e3cfe0986d

koder-ua/nailgun-fcert,eayunstack/fuel-web,stackforge/fuel-web,zhaochao/fuel-web,zhaochao/fuel-web,eayunstack/fuel-web,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,SmartInfrastructures/fuel-web-dev,koder-ua/nailgun-fcert,nebril/fuel-web,zhaochao/fuel-web,zhaochao/fuel-web,huntxu/fuel-web,stackforge/fuel-web,eayunstack/fuel-web,prmtl/fuel-web,prmtl/fuel-web,SmartInfrastructures/fuel-web-dev,huntxu/fuel-web,SmartInfrastructures/fuel-web-dev,prmtl/fuel-web,huntxu/fuel-web,nebril/fuel-web,eayunstack/fuel-web,prmtl/fuel-web,koder-ua/nailgun-fcert,nebril/fuel-web,nebril/fuel-web,stackforge/fuel-web,zhaochao/fuel-web,huntxu/fuel-web,SmartInfrastructures/fuel-web-dev,koder-ua/nailgun-fcert,nebril/fuel-web,huntxu/fuel-web,prmtl/fuel-web