update build tools

.travis.yml

@@ -3,6 +3,7 @@ android:
   components:
     - platform-tools
     - tools
+    - build-tools-23.0.1
     - build-tools-23.0.0
     - build-tools-22.0.1
     - build-tools-21.1.2

build.gradle

@@ -27,7 +27,7 @@ repositories {
 dependencies {
 	compile project(':libs:openpgp-api-lib')
 	compile project(':libs:MemorizingTrustManager')
-	compile 'com.android.support:support-v13:23.0.0'
+	compile 'com.android.support:support-v13:23.0.1'
 	compile 'org.bouncycastle:bcprov-jdk15on:1.52'
 	compile 'org.jitsi:org.otr4j:0.22'
 	compile 'org.gnu.inet:libidn:1.15'
@@ -43,7 +43,7 @@ dependencies {
 
 android {
 	compileSdkVersion 23
-	buildToolsVersion "23.0.0"
+	buildToolsVersion "23.0.1"
 
 	defaultConfig {
 		minSdkVersion 14