Merge pull request #8 from quark-zju/development

Fix compile issue for older system, bump to 0.9.4.3
Merge pull request #9 from quark-zju/development

Create lrun group for running lrun
experimental travis-ci support
update travis.yml and try
fix Rakefile for g++ not supporting -std=c++11
update README
try rake install in travis
add travis icon in README
Merge pull request #10 from quark-zju/travis-ci

Integrate basic travis-ci support
make travis icon link to travis status page
add rake to build dependices
add unit tests to travis
remove blank travis before_install script
replace cd to pushd/popd in travis script
remove failed cgroup unit test
travis: fix yaml format
Merge pull request #11 from quark-zju/travis-ci

Add more tests to travis
update license to year 2013
Merge pull request #12 from quark-zju/update-license

Update license to year 2013
README: add h1, lower h2, h3