Fix formatting of invisible_example docstring
Merge pull request #245 from cdeil/fix_invisible_canvas_example_formatting

Fix formatting of invisible_example docstring
Merge pull request #243 from ndawe/master

MRG: Fix ATLAS_label
Consistenty use root_open, not ropen
Merge pull request #246 from cdeil/root_open

Consistenty use root_open, not ropen
Use ATLAS as default style in plot_style.py
Better try / except in plot_style.py
Merge pull request #249 from cdeil/issue_247

Use ATLAS as default style in plot_style.py