* Moving Ionic.Zip source code into UE4 from UE4 source.
* Only one left should be in Binaries/DotNET.
* Moving TPS info to source location.
* Deleting several copies that were floating around.
Assembly Resolve Refactor
* Added AssemblyUtils.InstallAssemblyResolver to handle resolving of known assemblies that may not exist in the same folder as the referencing assembly.
* This is now installed by UAT and UBT, which should handle all needs to load Ionic.Zip and RPCUtility.exe from scripts that install into subfolders of Binaries/DotNET.
* Other assemblies can be added easily as necesary, centralizing the location where this is handled.
* Removed AssemblyResolver from RPCUtilHelper as UBT handles it automatically now.
* Removed Ionic.Zip references from projects that weren't really using it.
#codereview:ben.marsh
[CL 2646891 by Wes Hunt in Main branch]
