Update LICENSE
add LICENSE to deb package
fix typo
move build steps to build.sh.
update README.md
unify build entrypoint to Makefile
remove build.sh
tell users where to find deb package
Merge branch 'master' of https://github.com/zhihu/kids
add sample agent/server conf to deb
Merge pull request #16 from liyichao/master

Add contributors to LICENSE