Build updates

Updated the build to automate sha1 sum generation for inclusion in the plugin repository index.

Includes a Makefile to build all cross platform binaries.

1.2.2

Release 1.2.2

Updated to support cf CLI API changes.

Updated to use the new code.cloudfoundry.org/cli/plugin import path. Adjusted the tests to use the new configuration environment encodings.

Fix CLI changes

1.1.1

Move binaries to directory

v1.1

Improve error message for invalid app name