GUI -- Completed ONOS Instance panel, and handling of updateInstance and removeInstance.
- minor refactorings and other cleanup.

Change-Id: I4d0e467f71269f7fb91175e78d2c6af750bf9aad
diff --git a/web/gui/src/main/webapp/onos2.css b/web/gui/src/main/webapp/onos2.css
index 0920bac..32cdbe8 100644
--- a/web/gui/src/main/webapp/onos2.css
+++ b/web/gui/src/main/webapp/onos2.css
@@ -49,7 +49,7 @@
 #alerts {
     display: none;
     position: absolute;
-    z-index: 2000;
+    z-index: 1200;
     opacity: 0.65;
     background-color: #006;
     color: white;
@@ -83,10 +83,12 @@
     color: #66d;
 }
 
+#floatPanels {
+    z-index: 1100;
+}
 
 #flyout {
     position: absolute;
-    z-index: 100;
     display: block;
     top: 10%;
     width: 280px;