Add silent mode for Android

Fixes issue #39 and #48

README.md

@@ -68,16 +68,13 @@ More informations can be found [here][PGB_plugin].
 
 
 ## ChangeLog
+#### Version 0.6.3 (not yet released)
+- [feature:] Silent mode for Android
+
 #### Version 0.6.2 (14.12.2014)
 - [bugfix:] Type error
 - [bugfix:] Wrong default values for `isEnabled` and `isActive`.
 
-#### Version 0.6.1 (14.12.2014)
-- [enhancement:] Set default settings through `setDefaults`.
-- [enhancement:] New method `isEnabled` to receive if mode is enabled.
-- [enhancement:] New method `isActive` to receive if mode is active.
-- [bugfix:] Events caused thread collision.
-
 #### Further informations
 - The former `plugin.backgroundMode` namespace has been deprecated and will be removed with the next major release.
 - See [CHANGELOG.md][changelog] to get the full changelog for the plugin.
@@ -229,6 +226,15 @@ cordova.plugins.backgroundMode.configure({
 })
 ```
 
+#### Run in background without notification
+In silent mode the plugin will not display a notification - which is not the default. Be aware that Android recommends adding a notification otherwise the OS may pause the app.
+
+```javascript
+cordova.plugins.backgroundMode.configure({
+    silent: true
+})
+```
+
 
 ## Contributing