diff --git a/build.gradle b/build.gradle
index 2352b116212b869dbc5332f52298313b7a679d13..95e107387ac7a643282b49a2ba44436ec543e20d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,9 +20,19 @@ allprojects {
 apply plugin: 'android'
 
 repositories {
+	jcenter()
 	mavenCentral()
 }
 
+dependencies {
+	compile project(':minidns')
+	compile project(':openpgpapilib')
+	compile project(':memorizingTrustManager')
+	compile 'com.android.support:support-v13:19.1.0'
+	compile 'org.bouncycastle:bcprov-jdk15on:1.50'
+	compile fileTree(dir: 'libs', include: ['*.jar'])
+}
+
 android {
 	compileSdkVersion 19
 	buildToolsVersion "19.1"
@@ -40,22 +50,24 @@ android {
 	}
 	buildTypes {
 		release {
-			runProguard true
-			proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
-		}
-		debug {
 			runProguard false
 			proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
 		}
 	}
-}
+	lintOptions {
+		disable 'MissingTranslation', 'InvalidPackage'
+	}
+	subprojects {
 
-dependencies {
-	compile project(':minidns')
-	compile project(':openpgpapilib')
-	compile project(':memorizingTrustManager')
-	compile 'com.android.support:support-v13:19.1.0'
-	// compile files('libs/bcprov-jdk15on-150.jar')
-	// compile files('libs/otr4j-0.10.jar')
-	compile fileTree(dir: 'libs', include: ['*.jar'])
+		afterEvaluate {
+			if (getPlugins().hasPlugin('android') ||
+					getPlugins().hasPlugin('android-library')) {
+
+				configure(android.lintOptions) {
+					disable 'AndroidGradlePluginVersion', 'MissingTranslation'
+				}
+			}
+
+		}
+	}
 }
diff --git a/libs/bcprov-jdk15on-150.jar b/libs/bcprov-jdk15on-150.jar
deleted file mode 100644
index d4b510d7894afa3775fdfb7ab2b3a704baf82c99..0000000000000000000000000000000000000000
Binary files a/libs/bcprov-jdk15on-150.jar and /dev/null differ