TST: test_diagnostic, add results with pandas, see issue #962
TST/STY delint 2 test modules (pylint false errors and warnings)
TST/STY stats.tests ignore/remove some pylint errors and warnings
TST/STY test_ar, test_arima changes to remove pylint errors (red)
BUG ttest_power avoid endless loop in scipy.special nct closes #1011
BUG: fix some pylint errors and noise, fix examples (refactoring victims)
BUG: fix incorrect fix for ttest_power closes #1011
Merge pull request #997 from josef-pkt/misc_13

TST/BUG: Bug fixes and tests for diagnostic and pylint fixes.
DOC: Add link to notebook and crosslink ref. Closes #924.
Merge pull request #1012 from jseabold/notebook-links

DOC: Add link to notebook and crosslink ref. Closes #924.
DOC: nbgenerate does not like the comment at end of line.
Merge pull request #1014 from jseabold/notebook-fix

DOC: nbgenerate does not like the comment at end of line.
RLS: Update github tools from IPython master.
DOC: Remove unneeded mailmap option.
DOC: Add github sphinx extension.
DOC: Move CHANGES.txt to old_changes in docs.
DOC: Point to changes in the docs.
DOC: Release note stubs for 0.5.0
DOC: Silence sphinx warning. Update document title.
DOC: Rearrange what's important. Fill in some stubs.