fixed segfault when the linearized mooring stiffness matrix fails
added install bash script
new baseline test of multisegmented version of OC3 mooring
added test case
house keeping and added new nwtcfunctions, freedata files
organized routines into new files and added doxygen comments
supplied comments to the output routines
documented gravity, depth, and sea density extern functions
changed make directories
changed shared object file name
resolve conflicts with master merge