Fix bug: Reading out of bound error

[Fuad-HH]

PUMI-Pic always creates extra particles in it's particle datastructure. But initialially I didn't follow the convension that all the particle arrays should be either of genuine number of particles or the pumi-pic ds capacity. They should be consistant.

PumiTally/src/pumitally/PumiTallyImpl.cpp

Lines 187 to 190 in e381df4

	auto copy_particle_weights =
	PS_LAMBDA(const int &e, const int &pid, const int &mask) {
	p_wgt(pid) = weights_l[pid];
	};