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