Locked ps-tree version to 1.1.1

This library has a dependency on ps-tree, which has a dependency on event-stream which had a security bug in newer versions.
Hence locked ps-tree's version to 1.1.1 which uses event-stream's secure version 3.3.4

For more details, please refer:
indexzero/ps-tree#33
dominictarr/event-stream#116

Changed local binary paths to support LocalBinary 7.3. Fixed folder argument.

Changed local binary paths to support LocalBinary 7.3.
Fixed folder argument when building browserstack local arguments.

Fixed issue with stopping local in docker.

v1.3.4

Fixed issue with stopping local in docker.

Updated Tunnel Flags to correspond to the new BrowserStackLocal binary spec

v1.3.0

Bumped minor version for release #24

Fixes binary download errors

v1.2.0

bumped version

Support proxy for downloading binary

v1.1.0

added support for proxy in downloading binary

args fix affecting proxy and localIdentifier

v1.0.0

args fix affecting proxy and localIdentifier

Use daemon mode

v0.2.0

added daemon mode

Initial release

v0.1.0

initial release