Description of problem:
the new subscription-manager repos command is ignoring the --proxy options


Version-Release number of selected component (if applicable):
[root@jsefler-onprem-62server ~]# rpm -q subscription-manager
subscription-manager-0.96.2-1.git.31.702703f.el6.x86_64


How reproducible:


Steps to Reproduce:
1. do a valid register and subscribe
# subscription-manager repos --list  --proxy=foo --proxyuser=foo --proxypassword=foo
The system is entitled to the following repositories.
These can be managed at in the repo file /etc/yum.repos.d/redhat.repo.

RepoName:            	awesomeos-server-scalable-fs
RepoUrl:             	https://mockamai.devlab.phx1.redhat.com/path/to/awesomeos-server-scalable-fs
Enabled:             	1                        


RepoName:            	never-enabled-content    
RepoUrl:             	https://mockamai.devlab.phx1.redhat.com/foo/path/never
Enabled:             	0                        


RepoName:            	always-enabled-content   
RepoUrl:             	https://mockamai.devlab.phx1.redhat.com/foo/path/always
Enabled:             	1                        


RepoName:            	content                  
RepoUrl:             	https://mockamai.devlab.phx1.redhat.com/foo/path
Enabled:             	1   

  

Expected results:
Network error, unable to connect to server. Please see /var/log/rhsm/rhsm.log for more information.