Moved toHaveClass matcher into core so that it can be used in Karma

- Fixes #1503

src/core/matchers/requireMatchers.js

@@ -21,6 +21,7 @@ getJasmineRequireObj().requireMatchers = function(jRequire, j$) {
       'toHaveBeenCalledBefore',
       'toHaveBeenCalledTimes',
       'toHaveBeenCalledWith',
+      'toHaveClass',
       'toMatch',
       'toThrow',
       'toThrowError',

src/core/matchers/toHaveClass.js

@@ -1,4 +1,4 @@
-jasmineRequire.toHaveClass = function(j$) {
+getJasmineRequireObj().toHaveClass = function(j$) {
   /**
    * {@link expect} the actual value to be a DOM element that has the expected class
    * @function

src/html/requireHtml.js

@@ -3,5 +3,4 @@ jasmineRequire.html = function(j$) {
   j$.HtmlReporter = jasmineRequire.HtmlReporter(j$);
   j$.QueryString = jasmineRequire.QueryString();
   j$.HtmlSpecFilter = jasmineRequire.HtmlSpecFilter();
-  j$.matchers.toHaveClass = jasmineRequire.toHaveClass(j$);
 };