rewrote RemoteMachine to work with docker, changed worker config to allow multiple hosts, delete temp files properly, make make with bad target not crash
Merge branch 'pliang' into pliang-docker
Merge branch 'pliang-hierarchical-worksheets' into pliang-docker
Merge branch 'pliang-hierarchical-worksheets' into pliang-docker
more proper deletion of temp files using docker
fix kill bug
Merge branch 'master' into pliang-docker
allow display table to take in multiple schema names
add 'display link' directive to worksheets
fix quoting of commands for cl info -f args
Merge branch 'master' into pliang
merge
Merge pull request #103 from codalab/pliang-docker

docker support