Description of problem:
It will return exception when use command "rhc-create-domain" after delete the .openshift directory.

Version-Release number of selected component (if applicable):
rhc-0.93.15-1.el6_2.noarch

How reproducible:
always.

Steps to Reproduce:
1.use command "rhc setup" and input your information. 
2.remove the directory ~/.openshift.
3.use old command "rhc-create-domain -n domaintest0003"   #the user must don't have any domain.
  
Actual results:
It will return exception.


[root@localhost home]# rhc-create-domain -n domaintest0003 -l yquan
Password: *********

OpenShift key found at /root/.ssh/id_rsa.  Reusing...
/usr/lib/ruby/gems/1.8/gems/rhc-0.93.15/lib/rhc-common.rb:1027:in `initialize': No such file or directory - /root/.openshift/express.conf (Errno::ENOENT)
	from /usr/lib/ruby/gems/1.8/gems/rhc-0.93.15/lib/rhc-common.rb:1027:in `open'
	from /usr/lib/ruby/gems/1.8/gems/rhc-0.93.15/lib/rhc-common.rb:1027:in `add_rhlogin_config'
	from /usr/lib/ruby/gems/1.8/gems/rhc-0.93.15/bin/rhc-create-domain:147
	from /usr/local/bin/rhc-create-domain:19:in `load'
	from /usr/local/bin/rhc-create-domain:19



Expected results:
It should create domain successfully.
And should also have "rhc setup" wizard steps.

Additional info: