Deprecate access to non-public Suite and Spec members via Env#topSuite

The deprecation warning relies on Proxy, and won't work in environments
that don't have it. Among Jasmine's supported environments, that's Safari 9,
Safari 8, and all versions of IE.

src/core/requireCore.js

@@ -45,6 +45,8 @@ var getJasmineRequireObj = (function(jasmineGlobal) {
     j$.Deprecator = jRequire.Deprecator(j$);
     j$.Env = jRequire.Env(j$);
     j$.deprecatingThisProxy = jRequire.deprecatingThisProxy(j$);
+    j$.deprecatingSuiteProxy = jRequire.deprecatingSuiteProxy(j$);
+    j$.deprecatingSpecProxy = jRequire.deprecatingSpecProxy(j$);
     j$.StackTrace = jRequire.StackTrace(j$);
     j$.ExceptionFormatter = jRequire.ExceptionFormatter(j$);
     j$.ExpectationFilterChain = jRequire.ExpectationFilterChain();