Bug 1129294 - "Connection information" does not disappear while uninstalling remote agent

This is a combination of 3 commits.
The first commit's message is:
[BZ 1129294] After successful command, hide the connection information window

(cherry picked from commit f6f239a95e478f53c8793bc16a8a6e0c424893cd)
Signed-off-by: Thomas Segismont <tsegismo@redhat.com>

Conflicts:
	modules/enterprise/gui/coregui/src/main/java/org/rhq/coregui/client/admin/topology/AgentTableView.java

This is the 2nd commit message:

[BZ 1129294] Message for Start Agent had changed name

(cherry picked from commit d8fcc24f0b852ca0a3630dd57e0fad57959e40d7)
Signed-off-by: Thomas Segismont <tsegismo@redhat.com>

This is the 3rd commit message:

[BZ 1129294] [BZ 1128782] Change destroy() to markForDestroy() to avoid possible Global Uncaught exceptions..

(cherry picked from commit 38ab3e5e1ab72e9962437b680bb7709737a82440)
Signed-off-by: Thomas Segismont <tsegismo@redhat.com>