Moved more stuff

src/Umbraco.Abstractions/RuntimeLevel.cs

@@ -0,0 +1,40 @@
+namespace Umbraco.Core
+{
+    /// <summary>
+    /// Describes the levels in which the runtime can run.
+    /// </summary>
+    public enum RuntimeLevel
+    {
+        /// <summary>
+        /// The runtime has failed to boot and cannot run.
+        /// </summary>
+        BootFailed = -1,
+
+        /// <summary>
+        /// The level is unknown.
+        /// </summary>
+        Unknown = 0,
+
+        /// <summary>
+        /// The runtime is booting.
+        /// </summary>
+        Boot = 1,
+
+        /// <summary>
+        /// The runtime has detected that Umbraco is not installed at all, ie there is
+        /// no database, and is currently installing Umbraco.
+        /// </summary>
+        Install = 2,
+
+        /// <summary>
+        /// The runtime has detected an Umbraco install which needed to be upgraded, and
+        /// is currently upgrading Umbraco.
+        /// </summary>
+        Upgrade = 3,
+
+        /// <summary>
+        /// The runtime has detected an up-to-date Umbraco install and is running.
+        /// </summary>
+        Run = 4
+    }
+}