#UE4 #iOS: Fixed iOS http implementation to maintain expose connection errors separately from HTTP response status. Fixes non-200 response codes being interpreted as failures at the HTTP service level and showing up as "No Response" instead of a more useful user-facing error.
#CodeReview: Sam.Zamani, Terence.Burns
[CL 2131278 by Sam Zamani in Main branch]
- potential fix for http elapsed response time getting reset and preventing timeout from triggering for failed downloads
- also enabled verbose logging for an http request that exceeds total timeout
[CL 2109154 by Sam Zamani in Main branch]
#ttp 328690 - PORTAL: The install process of the Editor will fluctuate drastically and periodically stop at certain points.
#summary Adding HTTP progress info to Mac, and allowing Windows HTTP to have smaller read buffers.
#codereview Sam.Zamani, Michael.Trepka
[CL 2041541 by Leigh Swift in Main branch]