[Findit] A huge refactoring and some bug fixing.

appengine/findit/model/analysis_status.py

Index: appengine/findit/model/analysis_status.py
diff --git a/appengine/findit/model/analysis_status.py b/appengine/findit/model/analysis_status.py
new file mode 100644
index 0000000000000000000000000000000000000000..3c409b20ab02f58614fbc30bbafe0fa717712596
--- /dev/null
+++ b/appengine/findit/model/analysis_status.py
@@ -0,0 +1,21 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+# Represent status of the analysis of a Chromium waterfall compile/test failure
+# or a Chrome crash.
+PENDING = 0
+RUNNING = 10
+COMPLETED = 70
+ERROR = 80
+SKIPPED = 100
+
+
+STATUS_TO_DESCRIPTION = {
+    PENDING: 'Pending',
+    RUNNING: 'Running',
+    COMPLETED: 'Completed',
+    ERROR: 'Error',
+    SKIPPED: 'Skipped',
+}