minor clean for Nek5000 data and for error checking with higher order meshes

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minor commnet changes

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use python 2.7.5

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Update windows config-site file to use Python 2.7.5 and PySide 1.2.1 with MSVC2010.
Fix warning where "==" was used when "=" was intended.

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merge from trunk added files to xml2cmake

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Regenerate Volume Plot's python and java files

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merge from trunk - partial clean up for the xml2cmake

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I added the BOUT++ reader, which recognizes a set of conventions in a
NETCDF file.



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refactored the PICS code to all be in avt/IVP so remove avt/Filters dependencies

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I rebuilt all the third party libraries on aztec and updated the config
site file.



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some changes to xml2cmake

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Fix extra use of avtplotter_ser

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added nek5000 interpolation code to local third party builtin

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added support for Nek5000 interpolation and removed a cerr

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added time differnce to atts

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reverted changed

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updated .code file for additional printing info

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Add FOLDER property to nek500_interp (for Windows).

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Remove extra paren

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Add include for <limits>

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