Add Jasmine v2.1 focused specs, drop disabled specs

.gitignore

@@ -1 +1,2 @@
 node_modules
+*.html

docs/rules/no-exclusive-tests.md

@@ -1,21 +1,25 @@
 # Disallow use of exclusive tests (no-exclusive-tests)
 
-Jasmine uses `ddescribe` to only run a specific test suite and `iit` to only
-run a specific spec. Whilst handy during development, these can cause
-unexpected behaviour if accidently committed.
+Jasmine uses `ddescribe` to run a specific test suite and `iit` to run
+a specific spec exclusively ("[focused specs](focused)"; `fdescribe` and `fit`
+as of Jasmine v2.1).
+
+Whilst handy during development, these can cause unexpected behaviour if
+accidentally committed to source control.
+
+[focused]: http://jasmine.github.io/2.1/focused_specs.html
 
 ## Rule Details
 
-This rule aims to warn whenever it encouters `ddescribe`, `iit`, `xdescribe`
-and `xit`.
+This rule aims to warn whenever it encounters `ddescribe`, `iit`, `fdescribe` and `fit`.
 
 The following patterns are considered warnings:
 
 ```js
 ddescribe('My exclusive suite', function() {});
 
 describe('My suite', function() {
-    iit('My exclusive spect', function() {});
+  iit('My exclusive spec', function() {});
 });
 
 ```
@@ -25,7 +29,7 @@ The following patterns are not warnings:
 ```js
 describe('My suite', function() {});
 describe('My suite', function() {
-    it('My spec', function() {});
+  it('My spec', function() {});
 });
 
 ```

lib/rules/no-exclusive-tests.js

@@ -8,9 +8,9 @@
 module.exports = function(context) {
   var prohibited = [
     'ddescribe',
-    'xdescribe',
+    'fdescribe',
     'iit',
-    'xit'
+    'fit'
   ];
 
   // Helpers

test/rules/no-exclusive-tests.js

@@ -26,16 +26,16 @@ eslintTester.addRuleTest('lib/rules/no-exclusive-tests', {
       }]
     },
     {
-      code: 'xdescribe("My disabled suite", function() {});',
+      code: 'fdescribe("My focused suite", function() {});',
       errors: [{
-        message: 'Unexpected xdescribe.',
+        message: 'Unexpected fdescribe.',
         type: 'Identifier'
       }]
     },
     {
-      code: 'xit("My disabled spec", function() {});',
+      code: 'fit("My focused spec", function() {});',
       errors: [{
-        message: 'Unexpected xit.',
+        message: 'Unexpected fit.',
         type: 'Identifier'
       }]
     }