Merging trunk changes 1812:1830 into development branch.
Merging trunk changes back to development branch
Code readability updates.
Various fixes required to compile OpenMD with the MS Visual C++ compiler
updated copyright notices
Build fixes for qhull 2011, fixes for compilation with PGI.
Creating busticated version of OpenMD
Adding property set to svn entries
Fixed a bug where any program using selection syntax without qhull would fail. We only do a is fatal now if you try to use hullfinder.
Added a build define to check for libqhull before trying to build hullfinder.
Adding a hull finder to the selection syntax
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