Made all the remaining Mac dylibs that used to be copied inside the app bundle either use Binaries/ThirdParty subfolder, or copy to Engine/Binaries/Mac via RuntimeDependencies, like their Windows counterparts do.
#jira UETOOL-1167
#rb none
[CL 4641521 by Michael Trepka in Dev-Build branch]
* Hot reload now shares the regular UBT makefile, significantly improving performance for first-time compile. The history of previous hot-reloads is stored in an intermediate file (see GetHotReloadStateFile()), allowing the action graph to be patched to the last hot reload state before executing the build rather than creating a separate makefile. (A nice side effect of this is that it allows tracking hot reload attempts, and assigning incremental suffixes rather than random numbers for each run).
* The list of modules eligable for hot reload is now explicitly saved to the makefile. During a hot reload from IDE invocation, we always try to build all out of date modules and only apply suffixes to those that support it. This prevents the confusing behavior where an editor open in the background will not attempt to build certain files.
* Logic for building dependent modules is now significantly more reliable. Only modules with changes are rebuilt, and all dependent modules of those modules are correctly rebuilt too. The -CanSkipLink option is no longer necessary, and has been removed.
* All code for dealing with hot-reload only happens when the action graph is executed. The construction of a target no longer has any knowledge of whether hot reload is enabled or not.
#fyi Steve.Robb
#rb none
[CL 4621192 by Ben Marsh in Dev-Build branch]
The values that it previously forced values to are now configured as follows:
* bBuildEditor is a read-only property that returns true if and only if the target type is Editor.
* bCompileSimplygon and bCompileSimplygonSSF now a property which will default to true for Windows editor, if Simplygon is available. It can also be explicitly enabled or disabled.
* bCompileSpeedTree is now a property which will default to true for editor targets, and can also be explicitly enabled or disabled.
#rb none
[CL 4596311 by Ben Marsh in Dev-Build branch]
