Feature 315 v3.0.0 beta5 (#317)

* update versions for beta5 release

* updated for beta5 release

* removed accidental extraneous copy and paste

* update the Upgrade instructions for the VL1L2, VAL1L2, and VCNT line types

docs/Users_Guide/release-notes.rst

@@ -147,8 +147,7 @@ METdataio Upgrade Instructions
 Database Schema upgrade instructions
 ------------------------------------
 
-Changes were made to MET version 12.0.0 for following linetypes:
-  * ECNT
+Changes were made to MET version 12.0.0 for following linetypes (addition of the TOTAL_DIR column):
   * VL1L2
   * VAL1L2
   * VCNT