mp5 feedback for wangyihan.22
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c maptiles.cpp -o .objs/maptiles.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c mosaiccanvas.cpp -o .objs/mosaiccanvas.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c sourceimage.cpp -o .objs/sourceimage.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c tileimage.cpp -o .objs/tileimage.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c util/coloredout.cpp -o .objs/util/coloredout.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c util/util.cpp -o .objs/util/util.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c cs225/HSLAPixel.cpp -o .objs/cs225/HSLAPixel.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c cs225/PNG.cpp -o .objs/cs225/PNG.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c cs225/lodepng/lodepng.cpp -o .objs/cs225/lodepng/lodepng.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c tests/tests_part1.cpp -o .objs/tests/tests_part1.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c tests/tests_part2.cpp -o .objs/tests/tests_part2.o
g++  -std=c++11 -g -O3 -pedantic -Werror -Wfatal-errors -Wextra -Wno-unused-parameter -Wno-unused-variable  -MMD -MP  -c cs225/catch/catchmain.cpp -o .objs/cs225/catch/catchmain.o
g++ .objs/maptiles.o .objs/mosaiccanvas.o .objs/sourceimage.o .objs/tileimage.o .objs/util/coloredout.o .objs/util/util.o .objs/cs225/HSLAPixel.o .objs/cs225/PNG.o .objs/cs225/lodepng/lodepng.o .objs/tests/tests_part1.o .objs/tests/tests_part2.o .objs/cs225/catch/catchmain.o  -std=c++11 -lpthread -o test
--- MP5-1 ---
Pass KDTree constructor tests +1
Pass SmallerDimVal tests +1
Pass shouldReplace tests +1
Pass findNearestNeighbor tests +3
Pass operator= and copy constructor tests +1

Total: 7