Update to latest travix and fix trusty dependencies

FrancisBourre · FrancisBourre · commit 8acbb9f21157 · 2019-08-06T15:00:28.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 sudo: required
-dist: trusty
+dist: xenial
 
 language: haxe
 
@@ -48,6 +48,7 @@ before_install:
   - echo $DEPENDENCIES_BRANCH
 
 install:
+  - nvm install 8
   - export BRANCH_REF=$DEPENDENCIES_BRANCH
   - haxelib install travix --always
 # hexCore
