Update karma, use sinon from npm

Update karma library and use sinon JS library provided by
karma-jasmine-sinon instead of local file.

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

build/package.json

@@ -11,14 +11,19 @@
   "contributors": [],
   "dependencies": {},
   "devDependencies": {
-    "karma": "~1.3.0",
-    "karma-jasmine": "~1.0.2",
-    "karma-junit-reporter": "*",
+    "bower": "~1.8.0",
+    "handlebars": "^4.0.5",
+    "jasmine-core": "^2.5.2",
+    "jasmine-sinon": "^0.4.0",
+    "jsdoc": "~3.4.0",
+    "karma": "^1.5.0",
     "karma-coverage": "*",
+    "karma-jasmine": "^1.1.0",
+    "karma-jasmine-sinon": "^1.0.4",
+    "karma-junit-reporter": "*",
     "karma-phantomjs-launcher": "*",
     "phantomjs-prebuilt": "*",
-    "jasmine-core": "~2.5.2",
     "node-sass": "~4.1.1"
   },
-  "engine": "node >= 0.8"
+  "engine": "node >= 6.9"
 }

tests/karma.config.js

@@ -158,9 +158,6 @@ module.exports = function(config) {
 		testCore = true;
 	}
 
-	// extra test libs
-	files.push(corePath + 'tests/lib/sinon-1.15.4.js');
-
 	// core mocks
 	files.push(corePath + 'tests/specHelper.js');
 
@@ -237,7 +234,7 @@ module.exports = function(config) {
 		basePath: '..',
 
 		// frameworks to use
-		frameworks: ['jasmine'],
+		frameworks: ['jasmine', 'jasmine-sinon'],
 
 		// list of files / patterns to load in the browser
 		files: files,