don't count skipped tests

[tbhi]

Add a spec filter to the console reporter causes the test count to be negative

e.g. if you do:

                        var env = jasmine.getEnv(),
                            console_reporter = new jasmine.ConsoleReporter();
                        env.addReporter(console_reporter);
                        var html_reporter = new jasmine.HtmlReporter();
                        env.specFilter = html_reporter.specFilter;

[tbhi]

https://github.com/stan3/phantom-jasmine/tree/skipped