env: status page

Updates page asynchronously every 5 seconds.
Introduces beforeStart and afterStart trigger points to update setup status information.

Change-Id: Ic2f6a9bb7a0fefeefc4d6a1a7338d506a4f99e80
diff --git a/core/installer/welcome/static/main.css b/core/installer/welcome/static/main.css
index 2a01ae8..76485a1 100644
--- a/core/installer/welcome/static/main.css
+++ b/core/installer/welcome/static/main.css
@@ -90,11 +90,15 @@
 	color: #ffffff;
 }
 
-#create-instance-form input, textarea, button {
+#create-instance-form input, textarea, button, select {
 	border-width: 0.5px !important;
 	background-color: #3a3a3a;
 }
 
+#create-instance-form p {
+	color: #ffffff;
+}
+
 #create-instance-form input {
 	height: 3rem;
 	color: #ffffff;
@@ -109,3 +113,19 @@
 	font-weight: bold;
 	color: #3a3a3a;
 }
+
+/* .progress { */
+/* 	padding-top: 10px; */
+/* } */
+
+.progress {
+	padding-left: 0;
+}
+
+.progress ul {
+	padding-left: 15px;
+}
+
+.progress li {
+	list-style-type: none;
+}