add 0.10 and 0.11 to travis-ci build matrix. adding 0.11 as an allowed failure, since it's the unstable development version.
add 0.10 and 0.11 to travis-ci build matrix. adding 0.11 as an allowed failure, since it's the unstable development version.

loyaltylion/node_rollbar,bjyoungblood/node_rollbar,bjyoungblood/node_rollbar,blahed/node_rollbar,colonyamerican/node_rollbar,sloops77/node_rollbar,Crisfole/node_rollbar,colonyamerican/node_rollbar,blahed/node_rollbar,rollbar/node_rollbar,Crisfole/node_rollbar,rollbar/node_rollbar,sloops77/node_rollbar,loyaltylion/node_rollbar