Many fixes for lvm calulcation * recalculate free_space for each initialization * don't create new boot partition\type if we already have it * add free_space field for nailgun internal usage * reimplement set_pv_size method, now with lvm_recalculation (we just remove and create new PV)
Many fixes for lvm calulcation
* recalculate free_space for each initialization
* don't create new boot partition\type if we already have it
* add free_space field for nailgun internal usage
* reimplement set_pv_size method, now with lvm_recalculation (we just remove and create new PV)

koder-ua/nailgun-fcert,koder-ua/nailgun-fcert,SergK/fuel-main,SmartInfrastructures/fuel-main-dev,teselkin/fuel-main,stackforge/fuel-main,huntxu/fuel-web,zhaochao/fuel-web,huntxu/fuel-web,koder-ua/nailgun-fcert,prmtl/fuel-web,nebril/fuel-web,SmartInfrastructures/fuel-web-dev,huntxu/fuel-web,SmartInfrastructures/fuel-main-dev,prmtl/fuel-web,nebril/fuel-web,ddepaoli3/fuel-main-dev,Fiware/ops.Fuel-main-dev,teselkin/fuel-main,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,zhaochao/fuel-main,koder-ua/nailgun-fcert,nebril/fuel-web,zhaochao/fuel-web,nebril/fuel-web,nebril/fuel-web,eayunstack/fuel-main,stackforge/fuel-main,SergK/fuel-main,SmartInfrastructures/fuel-web-dev,zhaochao/fuel-web,dancn/fuel-main-dev,AnselZhangGit/fuel-main,zhaochao/fuel-main,AnselZhangGit/fuel-main,teselkin/fuel-main,SmartInfrastructures/fuel-web-dev,huntxu/fuel-main,stackforge/fuel-web,ddepaoli3/fuel-main-dev,zhaochao/fuel-main,zhaochao/fuel-web,huntxu/fuel-web,eayunstack/fuel-web,eayunstack/fuel-main,zhaochao/fuel-main,SmartInfrastructures/fuel-main-dev,SmartInfrastructures/fuel-main-dev,zhaochao/fuel-main,stackforge/fuel-web,stackforge/fuel-web,ddepaoli3/fuel-main-dev,eayunstack/fuel-web,prmtl/fuel-web,stackforge/fuel-main,Fiware/ops.Fuel-main-dev,prmtl/fuel-web,ddepaoli3/fuel-main-dev,dancn/fuel-main-dev,AnselZhangGit/fuel-main,huntxu/fuel-main,prmtl/fuel-web,huntxu/fuel-web,Fiware/ops.Fuel-main-dev,Fiware/ops.Fuel-main-dev,SergK/fuel-main,eayunstack/fuel-web,SmartInfrastructures/fuel-web-dev,eayunstack/fuel-web,teselkin/fuel-main,dancn/fuel-main-dev,huntxu/fuel-main,AnselZhangGit/fuel-main,dancn/fuel-main-dev,zhaochao/fuel-web,eayunstack/fuel-main