UI Fixes

+ Adjusted dark theme colors
+ Moved setting to an activity
+ Code format
+ Changed some icons
+ Minor fixes

app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    buildToolsVersion "24.0.3"
 
     defaultConfig {
         applicationId "com.topjohnwu.magisk"
@@ -32,13 +32,11 @@ repositories {
 
 dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
-
     compile 'com.android.support:recyclerview-v7:24.2.1'
     compile 'com.android.support:cardview-v7:24.2.1'
     compile 'com.android.support:design:24.2.1'
     compile 'com.jakewharton:butterknife:8.4.0'
     compile 'com.github.michalis-vitos:aFileChooser:master'
     compile 'com.google.code.gson:gson:2.7'
-    compile 'com.android.support:support-v4:24.2.1'
     annotationProcessor 'com.jakewharton:butterknife-compiler:8.4.0'
 }