[Feature] Power profile in exit event response

Added power profile data to the exit event response at the end of
application run. The profile data is generated using functions from
`SensorManager` and is obtained using the sensor update in `Daemon`

See Issue #12
2 jobs for wip_12-add-application-level-power-profiling-support in 2 minutes and 22 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #11964
rapl
py.test

00:01:13

 
  Style
passed #11965
flake8

00:01:08