WIP: Multiple Travis build configurations

Author: fwcd

.travis.yml

@@ -1,10 +1,15 @@
 matrix:
   include:
-    - language: java
-      install: ./gradlew install
-      script: ./gradlew build -i
+    - name: "Language server tests"
+      language: java
+      script: ./gradlew server:test -i
+      
+    - name: "Language server executable"
+      language: java
+      script: ./gradlew server:installDist
 
-    - language: node_js
+    - name: "VSCode extension (Node.js)"
+      language: node_js
       install:
         - npm install
         - npm run compile