cleaned up tests, removing demo, adding some more, and moving encoding tests over
cleaned up tests, removing demo, adding some more, and moving encoding tests over

rmgorman/google-chartwrapper,rmgorman/google-chartwrapper,appknox/google-chartwrapper,simplyvikram/google-chartwrapper,google-code-export/google-chartwrapper,simplyvikram/google-chartwrapper,Bulletninja/google-chartwrapper,Bulletninja/google-chartwrapper,google-code-export/google-chartwrapper,appknox/google-chartwrapper,appknox/google-chartwrapper