Patch 1.13.5/API changes

== Diffs ==
1.13.4 (34600) to 1.13.5 (34713)
* FrameXML: https://github.com/Gethe/wow-ui-source/commit/5cf55088150934fdba9ad399574941a3460ca382
* API resources: https://github.com/Ketho/BlizzardInterfaceResources/commit/12b063e9a05d9d3ec72931c9279194c79b44c84e
== Changes ==
* TOC version: 11305
* Reinstated Threat API and increased the combat log range in dungeons and raids - to reduce the need for addon comms 
* 4 additional backpack slots were added for Blizzard Authenticator secured accounts 
== Global API ==
3 new functions
: 
: 
:
== Events ==
2 new events
: 
:
== References ==