updates to check_gradient and added check_gradient to Component
updated Brent solver to use its upper_bound and lower_bound variables instead of high/low from the Parameter
Merge pull request #1547 from Kenneth-T-Moore/nastran

fix for test failure
Updated ClusterAllocator selection and configuration
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug
Merge pull request #1548 from setowns1/bug

Updated ClusterAllocator seletcion method and configuration from resources.cfg
extended options
'plugin makedist' now overwrites an existing distribution.
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug
Merge pull request #1549 from setowns1/bug

'plugin makedist' now overwrites existing distribution
test pass
working
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into check_deriv
Merge pull request #1550 from Kenneth-T-Moore/settings

Extended settings for derivatives
merged out
one more conflict
adding args to component check_gradient
Merge pull request #1551 from JustinSGray/check_deriv

Check derivatives for componentr
added test for abs