merged IStreamingData into ICurrentHttpRequest.  Closes GH-607
fixed some route creation timing issues, eliminated IRequestHeaders. Closes GH-605
merged IClientConnectivity into ICurrentHttpRequest.  Closes GH-602
added forms to ICurrentHttpRequest, created a single FubuMvcRequestData.  Closes GH-608, Closes GH-608, Closes GH-621
bringing cookies through ICurrentHttpRequest.  Closes GH-606