Switch to Scala 2.12.7 (#34)


diff --git a/.travis.yml b/.travis.yml
index d680712..f508a4a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@
 
 language: scala
 scala:
-   - 2.11.6
+   - 2.12.7
 
 services:
   - docker
diff --git a/settings.gradle b/settings.gradle
index 59c7a86..5705ff1 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -7,6 +7,6 @@
 ]
 
 gradle.ext.scala = [
-    version: '2.11.8',
+    version: '2.12.7',
     compileFlags: ['-feature', '-unchecked', '-deprecation', '-Xfatal-warnings', '-Ywarn-unused-import']
 ]
diff --git a/tools/travis/build.sh b/tools/travis/build.sh
index 3b2430f..9cf6d92 100755
--- a/tools/travis/build.sh
+++ b/tools/travis/build.sh
@@ -12,9 +12,6 @@
 cd $UTILDIR
 scancode/scanCode.py $ROOTDIR
 
-# run jshint
-cd $ROOTDIR/packages
-jshint .
 
 # Install OpenWhisk
 cd $WHISKDIR/ansible
diff --git a/tools/travis/setup.sh b/tools/travis/setup.sh
index 09adb10..52a3c02 100755
--- a/tools/travis/setup.sh
+++ b/tools/travis/setup.sh
@@ -3,10 +3,6 @@
 SCRIPTDIR=$(cd $(dirname "$0") && pwd)
 HOMEDIR="$SCRIPTDIR/../../../"
 
-# jshint support
-sudo apt-get -y install nodejs npm
-sudo npm install -g jshint
-
 # clone utilties repo. in order to run scanCode.py
 cd $HOMEDIR
 git clone https://github.com/apache/incubator-openwhisk-utilities.git