Description of problem: ipa-nis-manage command should include status option.

Version-Release number of selected component (if applicable):

How reproducible:Always

Steps to Reproduce:
1. Install ipa server
2. Enable compat plugin and check status

#ipa-compat-manage enable
#ipa-compat-manage status -y passwd.txt
Plugin Disabled

3. Enable nis plugin
#ipa-nis-manage enable
#ipa-nis-manage status -y passwd.txt
Unrecognized action [status]

Actual results:
#ipa-nis-manage status -y passwd.txt
Unrecognized action [status]

Expected results: Should include 'status' option for ipa-nis-manage command
which displays the status whether the plugin is enabled or not if we need to
check it explicitly from command line.

Additional info: