enable proguard and versions bumps

app/build.gradle

@@ -9,8 +9,8 @@ android {
         applicationId "com.zeapo.pwdstore"
         minSdkVersion 15
         targetSdkVersion 22
-        versionCode 43
-        versionName "1.2.0.23"
+        versionCode 44
+        versionName "1.2.0.24"
     }
 
     compileOptions {
@@ -22,14 +22,26 @@ android {
     lintOptions {
         abortOnError false
     }
+
+    buildTypes {
+        release {
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'),
+                    'proguard-rules.pro'
+        }
+    }
+
+    packagingOptions {
+        exclude '.readme'
+    }
 }
 
 dependencies {
     compile 'com.android.support:appcompat-v7:22.2.0'
     compile 'com.android.support:recyclerview-v7:22.2.0'
     compile 'org.sufficientlysecure:openpgp-api:7.0'
-    compile 'org.eclipse.jgit:org.eclipse.jgit:3.7.0.201502260915-r'
-    compile 'com.jcraft:jsch:0.1.52'
+    compile 'org.eclipse.jgit:org.eclipse.jgit:3.7.1.201504261725-r'
+    compile 'com.jcraft:jsch:0.1.53'
     compile 'org.apache.commons:commons-io:1.3.2'
     compile 'com.jayway.android.robotium:robotium-solo:5.3.1'
     compile 'com.android.support:design:22.2.0'

app/proguard-rules.pro

@@ -16,3 +16,7 @@
 #   public *;
 #}
 -dontwarn java.lang.invoke.*
+-dontwarn org.eclipse.jgit.**
+-dontwarn com.jcraft.jsch.**
+-dontwarn com.google.common.**
+-dontwarn org.slf4j.**