Merge pull request #122 from aeslaughter/fparser_threading

Updated threads.h to trigger thread safe useage of fparser
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...
Added build scripts from Derek