TST temporarily rename tests probplot other to skip them
TST: NormExpan sandbox.distributions: add basic unittests
BUG: NormExpan sandbox.distributions, no shape parameter see #1397
REF/DOC: sandbox.distribution.extras move examples to script file
DOC/REF: make example script runnable (fix imports)
Merge pull request #1403 from josef-pkt/BUG_NormExpan

BUG Bug norm expan shapes closes #1397
Merge pull request #1414 from josef-pkt/TST_probplot_other2

TST temporarily rename tests probplot-other to skip them
Memoize calculation of column widths in SimpleTable
Handle dict value in SimpleTable's format dict
Merge branch 'memoize-colwidths_rebased'

REF performance, faster SimpleTable  closes #1385 closes #1395
Fixed bug that led to wrong covariance estimator being displayed in summary
Several small fixes and cleanup
Need to copy beta when adding to history
Make sure time is float64
Fixed error due to numpy version
Fixed error due to numpy version
Add discussion of GEE to release notes
Fixed spelling error
Remove redundant type check
Added test