Update 10.1.2013 1536

CMakeLists.txt:			Added Pekeris Waveguide study
studies/pekeris:		Pekeris Waveguide study
attentuation_test.cc:	FE_INVALID test within Rayleigh Reflections
studies/analytic_wedge:	Modified test to simulate ASA wedge
proploss_test.cc:		Added Munk/Surface duct proploss tests to verify TL production
trapfe.cc:				Removed FE_INVALID from feenableexcept, all tests run