move definition of LIBMESH_USING_THREADS
move FP_USE_THREAD_SAFE_EVAL definition
Merge pull request #123 from benkirk/fparser_thread_fix

move definition of LIBMESH_USING_THREADS
Adding a check if exodus file was opened before calling copy_nodal_solution()
Adding simple support for copying elemental solutions from exodus files
Merge pull request #124 from andrsd/elem-vars

Adding simple support for copying elemental solutions from exodus files
Use multiple lines (with line continuation characters) for macros in libmesh_common.h
Added SerialMesh::stitch_surfaces to stitch adjacent surfaces on the same mesh.
Fixed errant whitespace
Merge pull request #127 from dknez/stitch_surfaces

Added SerialMesh::stitch_surfaces to stitch adjacent surfaces on the sam...
Merge pull request #126 from jwpeterson/multiline_macros

Use multiple lines (with line continuation characters) for macros in lib...
Checking if the file is "created" is overzealous.  It can be open
without being created...  To be safer we should probably add a new
flag, called _is_open, that gets set when you call
ExodusII_IO_Helper::open()...
temporarily remove FP_USE_THREAD_SAFE_EVAL until adaptivity_ex5 works again.