added new subroutine for allocating qse table

trying to fix memory leakage problem; determined that qt% needs to be
properly deallocated after each reaction check before a larger table is
allocated
added call to new allocation subroutine
debugged allocation subroutine
calculate <Z> and <A> for abundance fractions, not mass fractions
added outer crust data for realistic ash composition
added scripts to plot other variables of acc crust
first addition of pycnonuclear reactions
define threshold Z for pycno rxns