change tools so each wrap_* uses different name for 'function' (for pathos.pp);
update gplot example to use with_; update twistedgaussian to not use scipy.io;
twisted_gaussian3 executes in parallel if pathos is installed;
test_wavy now uses a helper function (a reducer); model.wavy doc correct minima;
scemtools uses numpy.core.getlimits;


git-svn-id: svn+ssh://svn.mystic.cacr.caltech.edu/mystic/mystic@726 968178ea-60bd-409e-af13-df8a517b6005
Merge branch 'master' of https://github.com/uqfoundation/mystic