update commons to 3.7.8

app/build.gradle

@@ -4,7 +4,6 @@ apply plugin: 'kotlin-android-extensions'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion "27.0.1"
 
     defaultConfig {
         applicationId "com.simplemobiletools.flashlight"
@@ -38,7 +37,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.2.3'
+    implementation 'com.simplemobiletools:commons:3.7.8'
     implementation 'com.squareup:otto:1.3.8'
 }
 

app/src/main/res/values/colors.xml

@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <!-- Default colors -->
-    <color name="default_text_color">@color/theme_dark_text_color</color>
-    <color name="default_background_color">@color/theme_dark_background_color</color>
+
 </resources>

build.gradle

@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.0'
+    ext.kotlin_version = '1.2.10'
 
     repositories {
         jcenter()

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4.1-all.zip