Add support for accessing LP logs from CLI.
Add support for accessing LP logs from CLI.

This patch supports the languagepack logs command
from the CLI.

Change-Id: Ia6ce0343d9bbcadb238c866fd6200c11015a6466
Closes-bug: 1419080

devdattakulkarni/test-solum,stackforge/solum,stackforge/solum,openstack/solum,openstack/solum,devdattakulkarni/test-solum