add Nevolution by @oasisfeng

Joker · Joker · commit 754b094192b2 · 2015-11-04T09:31:35.000+08:00
diff --git a/categories/tools.md b/categories/tools.md
@@ -90,6 +90,7 @@ App Name                   | Describe                  | Major Language
 App Name                   | Describe                  | Major Language             | Download 
 :------------------------: | :------------------------ | :------------------------: | :------------------------: 
 [Net Guard](https://github.com/M66B/NetGuard) | No root Android firewall  | Java | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/apps/testing/eu.faircode.netguard)  
+[Nevolution](https://github.com/oasisfeng/nevolution) | Evolve the Android notification experience of existing apps, with community-driven plug-ins.  | Java | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=com.oasisfeng.nevo)  
 [Notification Analyser](https://github.com/MPieter/Notification-Analyser) | An Android application to analyse your notification history.  | Java | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=com.tierep.notificationanalyser)  
 [Ninja](https://github.com/mthli/Ninja) | A web browser that open links in background without ever leaving your favorite apps.  | Java | [![Get it on Third-Party](http://i.imgur.com/ppYJYe5.png)](http://www.coolapk.com/apk/io.github.mthli.Ninja)   
 
