Add I2P client library to dependencies

app/build.gradle

@@ -39,4 +39,5 @@ dependencies {
     compile 'com.android.support:palette-v7:22.1.1'
     compile 'com.android.support:appcompat-v7:22.1.1'
     compile 'org.jsoup:jsoup:1.8.1'
+    compile 'net.i2p.android:client:0.6@aar'
 }

app/proguard-project.txt

@@ -77,3 +77,8 @@
 # Don't warn about those in case this app is linking against an older
 # platform version.  We know about them, and they are safe.
 -dontwarn android.support.**
+
+# The I2P Java API bundled inside the I2P Android client library contains a
+# method that references classes in javax.naming that Android doesn't have. But
+# the method never uses those classes on Android, and is safe.
+-dontwarn net.i2p.crypto.CertUtil