Fixed unicode string parisng in shinken cmdline
Fixed unicode string parisng in shinken cmdline

The `cprint` function in the `termcolor` library in the shinken cli does not
correctly handle unicode strings, and raises an UnicodeEncodeError.

This patch checks and encodes unicode strings to prevent this bug.

mohierf/shinken,geektophe/shinken,naparuba/shinken,geektophe/shinken,naparuba/shinken,mohierf/shinken,naparuba/shinken,mohierf/shinken,mohierf/shinken,geektophe/shinken,geektophe/shinken,naparuba/shinken,naparuba/shinken,naparuba/shinken,mohierf/shinken,geektophe/shinken,geektophe/shinken,mohierf/shinken