added new methods and clean up - most notable is the switch from float to double in the staterecorder whcih was causing problems as the samples were doubles but history floats.

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/trunk/src@21813 18c085ea-50e0-402c-830e-de6fd14e8384
Add quadratic cell support to Exodus reader, resolves #1597

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/trunk/src@21814 18c085ea-50e0-402c-830e-de6fd14e8384
Convert 2-component vector to 3 when mesh is 3D

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/trunk/src@21815 18c085ea-50e0-402c-830e-de6fd14e8384
Add exodus reader fixes to release notes.

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/trunk/src@21816 18c085ea-50e0-402c-830e-de6fd14e8384
fix typo

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/trunk/src@21817 18c085ea-50e0-402c-830e-de6fd14e8384
Fix compile errors due to recent changes to ConfigManager.h

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/trunk/src@21818 18c085ea-50e0-402c-830e-de6fd14e8384
added FSLE to the operator - works only for grids - not yet for the native mesh

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/trunk/src@21822 18c085ea-50e0-402c-830e-de6fd14e8384