Add fit and fdescribe to the public interface

They got lost in the merge

src/core/requireInterface.js

@@ -8,6 +8,10 @@ getJasmineRequireObj().interface = function(jasmine, env) {
       return env.xdescribe(description, specDefinitions);
     },
 
+    fdescribe: function(description, specDefinitions) {
+      return env.fdescribe(description, specDefinitions);
+    },
+
     it: function(desc, func) {
       return env.it(desc, func);
     },
@@ -16,6 +20,10 @@ getJasmineRequireObj().interface = function(jasmine, env) {
       return env.xit(desc, func);
     },
 
+    fit: function(desc, func) {
+      return env.fit(desc, func);
+    },
+
     beforeEach: function(beforeEachFunction) {
       return env.beforeEach(beforeEachFunction);
     },