Description of problem:
[GUI] > 'Cancel' button on Import networks window under Networks tab is not responding and window is not closing after importing network from external provider.

I'm not sure if we have 2 bugs here or maybe it's the same bug.

When opening the Import networks window under Networks tab, 'cancel' button is not responding.
If importing a network from external provider, the window is not closing as used to be on 3.5.1, but import network is successful. the only way to close this window is with 'x' button.


Version-Release number of selected component (if applicable):
3.6.0-0.0.master.20150412172306.git55ba764.el6

How reproducible:
100

Steps to Reproduce:
1. Create network on external provider
2. RHEV-M > Go to Networks tab> Import> Import networks window and try to press the 'cancel button
3. Import network to RHEV-M 

Actual results:
'Cancel' button not responding.
Import network succeed, but window is not closed. 
Only 'x' is responding.

Expected results:
'Cancel' button should work.
Import networks window should be closed after importing network to RHEV-M


Additional info:
If it's 2 different bugs, please let me know.