Add warnings for invalid use of aget and aset

fixed https://github.com/clojure/clojurescript/commit/3b5d88a2546c07fc27da5014445f03ac15a9f22f

Antonin, you wish The patch w/o inference has been applied as of https://github.com/clojure/clojurescript/commit/fb6c04f4ae16877ba7fa797e9378d8a1ba74fd89

In release notes you could maybe also plug my cljs-oops library as a possible consideration for replacement

https://github.com/binaryage/cljs-oops

The attached CLJS-2148-Add-unsafe-get-and-use-goog.object.patch is intended to replace CLJS-2148-Address-new-aget-aset-warnings.patch. It accomplishes the same overall goal, but specifically adds a new unsafe-get macro that can be used in performance critical code where goog.object/get would introduce a perf regression. It uses that new macro in the places mentioned above.

The few critical places comprise native-satisfies?, hash-string, quote-string, defprotocol