fix .travis.yml
CNAV-1559 Pass binds to helper exporter
CNAV-1559 Inject 'log' and 'working_directory' into binds
CNAV-1559 Extend helper template for better handling spawned processes
Removed trailing spaces
CNAV-1559 Introduced 'kill_timeout' global/per-app option
CNAV-1559 Gave more clear name to var 'value'
CNAV-1559 Improved stability of helper script
CNAV-1559 Fixed Procfile v2 option propagation
CNAV-1559 Got rid of :exec_cmd param passing to helper
CNAV-1559 Renamed a private method
Formatted a piece of code
Bump version to 2.1.0
Merge pull request #4 in DEP/upstart-exporter from CNAV-1559 to master

# By m.zavyrylin (11) and Victor Gumayunov (1)
# Via Victor Gumayunov
* commit 'b4c681d25ab30e48b489f33bbddd02daad44d274':
  Bump version to 2.1.0
  Formatted a piece of code
  CNAV-1559 Renamed a private method
  CNAV-1559 Got rid of :exec_cmd param passing to helper
  CNAV-1559 Fixed Procfile v2 option propagation
  CNAV-1559 Improved stability of helper script
  CNAV-1559 Gave more clear name to var 'value'
  CNAV-1559 Introduced 'kill_timeout' global/per-app option
  Removed trailing spaces
  CNAV-1559 Extend helper template for better handling spawned processes
  CNAV-1559 Inject 'log' and 'working_directory' into binds
  CNAV-1559 Pass binds to helper exporter