Merge pull request #1203 from MITx/feature/alex/gst-mitx

common/lib/xmodule/setup.py

common/lib/xmodule/xmodule/gst_module.py

...xmodule/xmodule/js/src/graphical_slider_tool/el_output.js

...xmodule/js/src/graphical_slider_tool/g_label_el_output.js

...e/xmodule/js/src/graphical_slider_tool/general_methods.js

...lib/xmodule/xmodule/js/src/graphical_slider_tool/graph.js

...n/lib/xmodule/xmodule/js/src/graphical_slider_tool/gst.js

.../xmodule/xmodule/js/src/graphical_slider_tool/gst_main.js

...ib/xmodule/xmodule/js/src/graphical_slider_tool/inputs.js

...e/xmodule/js/src/graphical_slider_tool/jstat-1.0.0.min.js

...lib/xmodule/xmodule/js/src/graphical_slider_tool/logme.js

...b/xmodule/xmodule/js/src/graphical_slider_tool/sliders.js

...lib/xmodule/xmodule/js/src/graphical_slider_tool/state.js

common/lib/xmodule/xmodule/tests/test_export.py

common/lib/xmodule/xmodule/tests/test_import.py

common/test/data/graphic_slider_tool/README.md

common/test/data/graphic_slider_tool/course.xml

common/test/data/graphic_slider_tool/course/2012_Fall.xml

.../graphic_slider_tool/graphical_slider_tool/sample_gst.xml

common/test/data/graphic_slider_tool/policies/2012_Fall.json