added aircraft domain
added aircraft domain

MDPvis/rlpy,rlpy/rlpy,imanolarrieta/RL,silgon/rlpy,rlpy/rlpy,BerkeleyAutomation/rlpy,MDPvis/rlpy,silgon/rlpy,silgon/rlpy,rlpy/rlpy,imanolarrieta/RL,BerkeleyAutomation/rlpy,BerkeleyAutomation/rlpy,imanolarrieta/RL,MDPvis/rlpy