added the gtest libraries
Merge branch 'refactor_tau' into gtest-inclusion
added in the google test framework and tested one of the unit tests. I still need a better build setup
moved MAKEFILE_GTEST to root
Merge branch 'next' into gtest-inclusion

Conflicts:
	.cproject
	Makefile
	src/FlowField.cpp
	src/FlowField.h
Merge branch 'next' into gtest-inclusion
Merge branch 'next' into gtest-inclusion
working on auto build of gtest
deleted old src folder
gtest makefile done
updated makefile for gtest
the gtest framework seems to be working
Merge branch 'next' into sliding_window