shrink so size

# Conflicts:
#	CMakeLists.txt
#	src/framework/dim.h
#	src/framework/program/program-optimize/node.h

fix #374 rewrite some code in io.cpp & fix CMakeLists.txt in test

# Conflicts:
#	CMakeLists.txt
#	src/framework/dim.h
#	src/framework/program/program-optimize/node.h

# Conflicts:
#	CMakeLists.txt
#	src/framework/dim.h
#	src/framework/program/program-optimize/node.h

fix #375 remove unused code, format files

fix #371 add openmp support (disabled by default)

fix #368 remove unused code, modify build and cmake

control compile platform with build.sh script

Move /build.sh to /tools

# Conflicts:
#	tools/build.sh

# Conflicts:
#	tools/build.sh

# Conflicts:
#	tools/build.sh

fix #364 compress lib for specific net