some more improvements
last tweak
fixed remaining Slot/iotype issues. Switched Deprecatin to FutureWarning. Fixed documentation.
Update variables.rst

Fixed typo on line 548 (tow -> two).
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into bench
Merge pull request #1584 from crobinsonut/dev

switched DeprecationWarning to FutureWarning
correction
Merge pull request #1585 from Kenneth-T-Moore/bench

Performance Improvements 2
Detect and log when _repair_traits() hasn't been properly set up.
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug
Merge pull request #1586 from setowns1/bug

Detect and log when _repair_traits is not properly set up.
"updating releaseinfo files for release 0.9.5"
Merge pull request #1587 from OpenMDAO/master

"updating releaseinfo files for release 0.9.5"
Merge branch 'performance' of github.com:naylor-b/OpenMDAO-Framework into performance
interim
speedup of ExprExaminer when determining refs
small improvement to ExprExaminer