Add version plan.

Pavel Kovalenko · Pavel Kovalenko · commit d8fff91998ce · 2014-09-26T20:52:28.000+04:00
diff --git a/doc/design/version_plan.txt b/doc/design/version_plan.txt
@@ -0,0 +1,14 @@
+TITLE: X-Ray Engine 1.6 version plan
+
+Legend
+------
+- Planned
+* In progress
++ Done
+o On hold
+? Decision pending
+c Canceled
+
+--------------------------------
+
+  
