Corelight-client

* Fix hostname validation for Corelight device certificates.

* Updating setup.py.

* Renaming BroBox to Corelight Sensor:
- The "brobox" script becomes "corelight-client".
- "~/.broboxrc" becomes "~/.corelight-client.rc".
- "~/.brobox" becomes "~/.corelight-client".
- The configuration option "brobox" becomes "device".
- The command-line option "--brobox" becomes "--device" (short version remains "-B").
- The environment variable BROBOX becomes CORELIGHT_DEVICE.

For now we continue to support the old BroBox-based names and just
print warnings that they are deprecated. This support will however
be removed in a future version.

* Adding bro-pkg-bundle to distribution.

* Bugfix: API variables of integer type weren't properly treated in
the client code.

* Adding version requirement for 'requests' dependency.

* Tweak help text output for newer Python versions.

* Moving from Broala to Corelight GitHub account.

* Add support for 'display' attribute to command line parameters.

* Add support for new 'object-raw' schema.

* Adapt SSL validation to accept new Corelight default certificates.

* Extend rendering of results to print diagnostic messages.

* Pretty print multi-line string values in responses.

* Bugfix: Boolean parameters weren't correctly handled.

* Bugfix: Support reading options with underscores from JSON input.

* Bugfix: Fix display of options' default arguments.

* Broala is now Corelight.

* Initial PyPI release.