Update Travis CI scripts and config

.travis.yml

@@ -1,12 +1,3 @@
-language: objective-c
-
-osx_image: xcode7.3
-
-sudo: false
-
-git:
-  depth: 10
-
 notifications:
   webhooks:
     urls:
@@ -20,6 +11,15 @@ notifications:
 
 script: sh build-package.sh
 
+git:
+  depth: 10
+
+sudo: false
+
+os:
+  - linux
+  - osx
+
 env:
   global:
     - APM_TEST_PACKAGES="language-marko language-html-swig language-svg language-d mavensmate-atom"
@@ -27,6 +27,14 @@ env:
     - ATOM_CHANNEL=stable
     - ATOM_CHANNEL=beta
 
+addons:
+  apt:
+    packages:
+    - build-essential
+    - git
+    - libgnome-keyring-dev
+    - fakeroot
+
 cache:
     - pip: true
     - bundler: true

build-package.sh

@@ -72,6 +72,32 @@ if [ -f ./node_modules/.bin/coffeelint ]; then
   fi
 fi
 
+if [ -f ./node_modules/.bin/eslint ]; then
+  if [ -d ./src ]; then
+    echo "Linting package..."
+    ./node_modules/.bin/eslint src
+    rc=$?; if [ $rc -ne 0 ]; then exit $rc; fi
+  fi
+  if [ -d ./spec ]; then
+    echo "Linting package specs..."
+    ./node_modules/.bin/eslint spec
+    rc=$?; if [ $rc -ne 0 ]; then exit $rc; fi
+  fi
+fi
+
+if [ -f ./node_modules/.bin/standard ]; then
+  if [ -d ./src ]; then
+    echo "Linting package..."
+    ./node_modules/.bin/standard "src/**/*.js"
+    rc=$?; if [ $rc -ne 0 ]; then exit $rc; fi
+  fi
+  if [ -d ./spec ]; then
+    echo "Linting package specs..."
+    ./node_modules/.bin/standard "spec/**/*.js"
+    rc=$?; if [ $rc -ne 0 ]; then exit $rc; fi
+  fi
+fi
+
 if [ -d ./spec ]; then
   echo "Running specs..."
   "$ATOM_SCRIPT_PATH" --test spec