BISERVER-10156 - Read Only users can Copy/Paste in UI, but no error when it fails.
BISERVER-10660 - HttpClient getClient() in HttpUtil.java doesn't support proxy [marketplace]

What was done:
1) added check if proxy is configured
2) changed the way HTTP call is done -- if a proxy is configured -- it
is used
BISERVER-10908 - Edit/delete icons for the blockout time list should be disabled if nothing selected
Merge pull request #1400 from kolinus/biserver-10660

BISERVER-10660 - HttpClient getClient() in HttpUtil.java doesn't support...
Merge pull request #1396 from aliakseihaidukou/BISERVER-10156

BISERVER-10156 - Read Only users can Copy/Paste in UI, but no error when...
Merge pull request #1401 from apratkin/BISERVER-10908abc

BISERVER-10908 - Edit/delete icons for the blockout time list should be ...