Deleted testing subdirectory
Changed funcall unittest to be independent of current format options.
Huge cleanup and moving into packages sfem and pce.
Update unittest for compute_pce_matrix (better coverage)
added pushdirect option to sglib-subtree
Added and updated almost all Contents.m files
Removed math utilities from util to mathutil
Added an error message to multiindex...

...if the old version of the interface is used
applied a proposed fix to apply_boundary_conditions_solution
Nicer output of polynomials in help for polysys_rc2coeffs
Fixed example for getpid function.
Added documentation and example for memstats.
Fixed path generation to use the builtin fullfile function.
Cleanup of fem/simplefem and related functions
Fixed Contents.m for simplefem plus some aesthetic issues
Moved and improved pde toolbox functions

Added mass matrix, removed ptdata struct, moved to fem/pdetool
Fixed a bug introduced by "performance hints"
Added comments to spatial_function stuff