Add @since to most JSDoc comments

- See jasmine/jasmine.github.io#117

src/core/matchers/toHaveClass.js

@@ -3,6 +3,7 @@ getJasmineRequireObj().toHaveClass = function(j$) {
    * {@link expect} the actual value to be a DOM element that has the expected class
    * @function
    * @name matchers#toHaveClass
+   * @since 3.0.0
    * @param {Object} expected - The class name to test for
    * @example
    * var el = document.createElement('div');