Updated gi
Wrote Secondary Electron Proposal and Methods

Added the secondary electron proposal and methods.  A little bit
uncertain where I should place the MLLD discussion, if any where.  I
kinda of want to throw it in as an appendix.
RPM Neutronics Introduction and Methods

Added an introduction to the RPM simulation and to the methods.  I need
to do some MCNP calculations to show the need for optimization. The RPM
methods came from DNDO-Detector, which might need to be modified a
little more.