Description of problem:
On enterprise website, after having added an alias to an app, add an SSL certificate file with invalid content to the alias, click "save" button, it doesn't show any information about whether it's  successful or invalid.

Version-Release number of selected component (if applicable):
ose2.1.z/2014-09-19.2

How reproducible:
always

Steps to Reproduce:
1.Login to enterprise website.Create an app, add an alias to the app, click "save".
2.Under SSL Certificate item, enter the path of file with invalid content(such as f1 with "abcd"), click "save".
3.Add SSL Certificate file in command line.
3.1 $rhc alias update-cert  srb19 rb.test.com --certificate f1  --private-key f2
3.2 $ rhc alias update-cert  srb19 rb.test.com --certificate ~/server.crt  --private-key f.txt

Actual results:
1.Save successfully.
2.Show nothing.
3.Have error info displayed:
3.1 $rhc alias update-cert  srb19 rb.test.com --certificate f1  --private-key f2
Invalid certificate: not enough data
3.2 $ rhc alias update-cert  srb19 rb.test.com --certificate /home/yanping/server.crt  --private-key f1.txt
Invalid private key or pass phrase: Could not parse PKey: no start line


Expected results:
2.Should show info as the command line do : "Invalid certificate: not enough data" or "Invalid private key or pass phrase" under the related form.

Additional info:
If add the alias and invalid SSL Certificate file at the same time on the website, it will show erro info.