fix permission error issue in install script from non-root user
Merge pull request #3 from HackerEcology/master

update repo
Merge pull request #4 from HackerEcology/master

fix env var bug in install script
Merge pull request #5 from HackerEcology/master

update README
update README
update README
update README
Merge pull request #1 from arcolife/master

update repo