CLOUDSTACK-9452: add python-argparse dependency on el6,7 rpms

The patchviasocket script was rewritten in Python from PR apache#1533 and made
assumptions that Python 2.7 would be available. In case of CentOS, python 2.7
may not be available or installed. This change ensures that python-argparse
is installed which is used by this script.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Author: yadvr

packaging/centos63/cloud.spec

@@ -96,6 +96,7 @@ management, and intelligence in CloudStack.
 %package common
 Summary: Apache CloudStack common files and scripts
 Requires: python
+Requires: python-argparse
 Obsoletes: cloud-test < 4.1.0 
 Obsoletes: cloud-scripts < 4.1.0
 Obsoletes: cloud-utils < 4.1.0

packaging/centos7/cloud.spec

@@ -91,6 +91,7 @@ management, and intelligence in CloudStack.
 %package common
 Summary: Apache CloudStack common files and scripts
 Requires: python
+Requires: python-argparse
 Group:   System Environment/Libraries
 %description common
 The Apache CloudStack files shared between agent and management server