Merge tag '1.2.0' into develop

Add float mode.
Get rid of dependencies.
Bug fixes.

Author: SevenOutman

package.json

@@ -1,7 +1,7 @@
 {
   "name": "vue-aplayer",
-  "version": "1.1.2",
-  "description": "A Vue 2.x component of easy-to-config music players with controls.",
+  "version": "1.2.0",
+  "description": "Easy-to-config music player for Vue 2.x",
   "main": "dist/vue-aplayer.min.js",
   "files": [
     "src",