changing naming to "toScalazPromise"
changing naming to RichScalaFuture
changing naming to "toScalaFuture"
using RawHeader instead of creating an anon spray header
removing unneeded imports
correctly parsing content-type header before converting to a newman HttpRequest
and parsing out the content-type header from the entity when a response comes in. thanks @drapp for the guidance here

also, assigning a UUID to each `conduit` actor to ensure that all live conduit actors are uniquely named. also did the same for the httpClient actor for good measure