Bug 459906 - Add the ability to copy and paste environment variables

This change adds the functionality of copy & pasting environment
variables out of the env-var table view to the clipboard.

Change-Id: I312f6966ebbf6b261dd858b4a55b660f86ed3727
Signed-off-by: Jens Reimann <jreimann@redhat.com>
5 files changed