Added native dpi option for print_figure#4286

Merged

tacaswell merged 3 commits intomatplotlib:masterfrom

patchen:dpi_fix

Apr 11, 2015

Commits on Mar 27, 2015

Added native dpi option for print_figure
Patrick Chen
committed

Commits on Mar 29, 2015

Moved new dpi option to Figure.savefig()
patchen
committed

Commits on Apr 4, 2015

Added whats new and validation for figure.savefig dpi change
patchen
committed