Update ROADMAP.md

ROADMAP.md

-# Roadmap (2018-05-06)
+# Roadmap (2018-06-26)
 
 This roadmap is a tentative plan for the core development team. Things change constantly as PRs come in and priorities change. 
 But it will give you an idea of our current vision and plan. 
   
 ### Short term (1-2 months)
-
-  - Elasticsearch alerting
-  - Crossplatform builds
-  - Backend service refactorings
-  - Explore UI 
-  - First login registration view
+  - Multi-Stat panel
+  - Metrics & Log Explore UI 
  
 ### Mid term (2-4 months)  
-  - Multi-Stat panel
   - React Panels 
+  - Change visualization (panel type) on the fly. 
   - Templating Query Editor UI Plugin hook
   
 ### Long term (4 - 8 months)
 
 - Alerting improvements (silence, per series tracking, etc)
 - Progress on React migration
-- Change visualization (panel type) on the fly. 
-- Multi stat panel (vertical version of singlestat with bars/graph mode with big number etc) 
-- Repeat panel by query results 
 
 ### In a distant future far far away