fixed galloping_elephants_plot method by changing galloping_elephants.default to galloping_elephants_plot_default.
Merge pull request #31 from chrishaid/galloping_elephants_hot_fix

fixed galloping_elephants_plot method by changing galloping_elephants.de...
updated galloping_elephants_plot documentation.
Merge pull request #32 from chrishaid/galloping_elephants_hot_fix

updated galloping_elephants_plot documentation.