Add some (failing) tests
Merge branch 'master' into ci_appmetrics_set_latency_field_types

# By David Laing (6) and Danny Berger (3)
* master:
  Make /app world writable
  fix message/type detection
  Notify Flowdock > CityIndex Labs > LogSearch flow of build status
  Ensure Travis has /app/app
  specify language for travis to use
  First stab at a Travis-CI config
  Include json dependancy
  add deploy task to rakefile /issue cityindex/logsearch-config#36
  drop stackato dependency (noticed by url relocation)
link /app/app  to absolute folder path
Run provision with sudo
Only run app metrics tests
Increase rake logstash:debug[logstash_type] verbosity
Extract floats from value field into duration field (of type Float)
Merge pull request #221 from cityindex/ci_appmetrics_set_latency_field_types

Extract numeric values into duration field for type=ci_appmetrics