diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index e801df0f3f..de48137aab 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 99202cc2d6..c0f68eddd7 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -25,7 +25,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index 296042b685..13f978143e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -17,9 +17,9 @@ android {
         }
     }
 
-    lintOptions {
-        disable 'MissingTranslation'
-    }
+    //lintOptions {
+    //    disable 'MissingTranslation'
+    //}
 
     buildTypes {
         release {
@@ -57,28 +57,6 @@ repositories {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
-    // https://mvnrepository.com/artifact/androidx.appcompat/appcompat
-    // https://mvnrepository.com/artifact/androidx.recyclerview/recyclerview
-    // https://mvnrepository.com/artifact/com.google.android.material/material
-    // https://mvnrepository.com/artifact/androidx.browser/browser
-    // https://mvnrepository.com/artifact/androidx.constraintlayout/constraintlayout
-
-    // https://mvnrepository.com/artifact/androidx.lifecycle/lifecycle-runtime
-    // https://mvnrepository.com/artifact/androidx.room/room-runtime
-    // https://mvnrepository.com/artifact/androidx.paging/paging-runtime
-
-    // https://developer.android.com/google/play/billing/billing_library_releases_notes
-
-    // https://javaee.github.io/javamail/
-    // https://jsoup.org/
-    // http://www.freeutils.net/source/jcharset/
-
-    // https://developer.android.com/topic/libraries/support-library/androidx-rn
-    // https://developer.android.com/topic/libraries/support-library/refactor
-
-    // https://developer.android.com/topic/libraries/architecture/adding-components.html
-    // https://developer.android.com/jetpack/docs/release-notes
-
     def androidx_version = "1.0.0"
     def constraintlayout_version = "1.1.3"
     def lifecycle_version = "2.0.0"
@@ -92,29 +70,51 @@ dependencies {
     def openpgp_version = "12.0"
     def requery_version = "3.25.3"
 
+    // https://developer.android.com/topic/libraries/support-library/androidx-rn
+    // https://developer.android.com/jetpack/docs/release-notes
+
+    // https://mvnrepository.com/artifact/androidx.appcompat/appcompat
     implementation "androidx.appcompat:appcompat:$androidx_version"
+
+    // https://mvnrepository.com/artifact/androidx.recyclerview/recyclerview
     implementation "androidx.recyclerview:recyclerview:$androidx_version"
     implementation "androidx.recyclerview:recyclerview-selection:$androidx_version"
+
+    // https://mvnrepository.com/artifact/androidx.coordinatorlayout/coordinatorlayout
     implementation "androidx.coordinatorlayout:coordinatorlayout:$androidx_version"
+
+    // https://mvnrepository.com/artifact/androidx.constraintlayout/constraintlayout
     implementation "androidx.constraintlayout:constraintlayout:$constraintlayout_version"
+
+    // https://mvnrepository.com/artifact/com.google.android.material/material
     implementation "com.google.android.material:material:$androidx_version"
+
+    // https://mvnrepository.com/artifact/androidx.browser/browser
     implementation "androidx.browser:browser:$androidx_version"
 
+    // https://mvnrepository.com/artifact/androidx.lifecycle/lifecycle-runtime
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
     annotationProcessor "androidx.lifecycle:lifecycle-compiler:$lifecycle_version"
 
+    // https://mvnrepository.com/artifact/androidx.room/room-runtime
     implementation "androidx.room:room-runtime:$room_version"
     annotationProcessor "androidx.room:room-compiler:$room_version"
 
+    // https://mvnrepository.com/artifact/androidx.paging/paging-runtime
     implementation "androidx.paging:paging-runtime:$paging_version"
 
+    // https://developer.android.com/google/play/billing/billing_library_releases_notes
     implementation "com.android.billingclient:billing:$billingclient_version"
 
+    // https://javaee.github.io/javamail/
+    // https://projects.eclipse.org/projects/ee4j.javamail
     implementation "com.sun.mail:android-mail:$javamail_version"
     implementation "com.sun.mail:android-activation:$javamail_version"
 
+    // https://jsoup.org/
     implementation "org.jsoup:jsoup:$jsoup_version"
 
+    // http://www.freeutils.net/source/jcharset/
     implementation "net.freeutils:jcharset:$jcharset_version"
 
     // http://www.xbill.org/dnsjava/