Report more malloc data

[daschaich]

To help users keep track of how much memory is really being used, the usage due to the following FIELD_ALLOCS should be reported along the lines of the main fields and the pfaffian matrix at setup.c#L220:

1. The eigenvectors at setup.c#L470

2. The stochastic sources for the mode number computation at setup.c#L499

3. The SU(2) matrix for gauge-fixing hits, which was just moved to setup.c#L457 on the gather_dev branch