Added pilot, secretary & manager to JSON generator
Replaced pilotToJSonObject(PilotAccount) with GetJsonObject.pilotAccount(PilotAccount)
Merge branch 'master' of https://github.com/ju2cho7/aerodrome
PilotAccountEntity.update() now updates only non-null (given in JSON input) fields
Added Session variables, Cookies to login, and account object to JSON login output