add plain_fsm app in the 'applications' section of .app.src

plain_fsm must be started prior to hanoidb
Merge pull request #30 from brigadier/patch-2

add plain_fsm app in the 'applications' section of .app.src
Swap arguments. Fixes issue #31
Make tests run again

We had a bad regression with #31 due to the
tests not being run automatically.
Add travis build status button