ENH MneExperiment:  more flexible cov setting (API .set_inv())
ENH MneExperiment report:  more information

- intro: more data info
- clusters: include cluster id and value
STY MneExperiment
ENH MneExperiment:  more report info
API MneExperiment.make_report():  expose the include argument
ENH MneExperiment:  covariance info

- plot whitened evoked
- show regularization parameters
DOC
STY Rejection GUI:  don’t bind event twice
DOC:  installing with Anaconda
SETUP:  update ez_setup.py
FIX _html_tag:  tag options vs HTML options