fix for scaler bug
reworked the required variables story to provide better error messages
Merge pull request #1518 from naylor-b/required2

reworked the required variables story to provide better error messages
fixed KeyError when adding a DOEgenerator after removing it
small doc change
fix for nose plugin
Merge pull request #1519 from Kenneth-T-Moore/scaler

Fixed bug with derivative of parameters with scalers.
Merge pull request #1521 from naylor-b/doe_bug

Fixed KeyError when removing something from a Slot and then adding.
removed pseudocomps from case recording
small fix
cleanup
Merge pull request #1522 from Kenneth-T-Moore/recorder

Fixed bug where case recorder tries to record psuedocomps.
Driver now records case for multiple objectives
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into obj
Merge pull request #1523 from Kenneth-T-Moore/obj

Fix for bug where multi-objective optimizers weren't recording their objectives to a case.
Upgraded Sphinx to v1.2 and changed bullets in iteration.rst.
Merge pull request #1524 from pziegfeld/new_sphinx_version

Upgraded Sphinx to v1.2 and changed bullets in iteration.rst.