Merge pull request #1 from arnouddekker/master

some quick lxc-related fixes
Merge remote branch 'mittyorz/master'
Update README
my english....
postgresql plugin fix, add mitty lxc_net plugin, and add mitty other fixes
merged mitty fixes to squeeze dir
added psql plugins to squeeze
I create a new lxc plugin, it's monitor the guest process count.