Version updates

Author: mta452

tehreer-android/build.gradle

@@ -10,7 +10,7 @@ ext {
     publishedArtifactId = 'tehreer-android'
 
     libraryName = 'Tehreer-Android'
-    libraryVersion = '2.3'
+    libraryVersion = '2.4'
     libraryDescription = 'A library that gives full control over text related technologies such as bidirectional algorithm, open type shaping, text typesetting and text rendering.'
 
     siteUrl = 'https://github.com/Tehreer/Tehreer-Android'
@@ -106,7 +106,7 @@ artifacts {
         options.doclet = "ExcludeDoclet"
         options.docletpath = configurations.doclet.files.asType(List)
         options.links("https://developer.android.com/reference/")
-        options.addStringOption("bottom", "Copyright © 2018 $developerName. All rights reserved.")
+        options.addStringOption("bottom", "Copyright © 2019 $developerName. All rights reserved.")
     }
 
     task javadocJar(type: Jar, dependsOn: apiDocs) {