Dropped support of NodeJS due to usage of async keywords

dtolstyi · dtolstyi · commit c59ee83a6164 · 2018-11-14T13:41:18.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,6 @@ os:
   - linux
   - osx
 node_js:
-  - "6"
   - "7"
   - "8"
   - "9"

-Original file line number
+Diff line change
   - linux
   - osx
 node_js:
 -  - "6"
   - "7"
   - "8"
   - "9"