enable check for jasmine rake tasks
enable check for jasmine rake tasks

- Currently passing for jruby and rails3

mavenlink/jasmine-gem,mavenlink/jasmine-gem,brigade/jasmine-gem,mavenlink/jasmine-gem,amandamholl/jasmine-gem,brigade/jasmine-gem,brigade/jasmine-gem,amandamholl/jasmine-gem,amandamholl/jasmine-gem