First swath of fixes for cppcheck warnings
Revert "not initialized in the constructor" fix

Those warnings are numerous and annoying to work around; I'm going to
filter them out until I come up with a better fix.
More fixes for cppcheck warnings
Base class already reports not-implemented
Pass strings by const reference
More fixes for cppcheck warnings
Bugfix in GetPot::next_nominus()

Plus fixes for other cppcheck warnings
Another set of cppcheck warning fixes
Less intrusive warning fix
More warnings fixes
Don't destruct the MeshSerializer too early

This "warning fix" is an actual bugfix.  A corner case, but still
makes me feel better about wading through cppcheck output.
Pass strings by const reference
More cppcheck warnings fixes
Last swath of cppcheck warnings fixes
Tab to space conversion
Merge pull request #187 from libMesh/warnings_fixes

Warnings fixes