Add support for downloading 1440p videos

Author: hstr0100

build.gradle

@@ -1,4 +1,4 @@
-rootProject.version = '1.5.14'
+rootProject.version = '1.5.15'
 
 subprojects {
 	repositories {

core/src/main/java/net/brlns/gdownloader/settings/enums/ResolutionEnum.java

@@ -32,6 +32,7 @@ public enum ResolutionEnum implements ISettingsEnum {
     RES_480(480, "480p"),
     RES_720(720, "720p"),
     RES_1080(1080, "1080p"),
+    RES_1440(1440, "1440p"),
     RES_2160(2160, "4K"),
     RES_4320(4320, "8K");