Remove smack-compression-jzlib

The smack-compression-jzlib subproject is obsolete since Java 7 de-
and inflate support was added with SMACK-389. Now it is time to remove
it.

Fixes SMACK-840.

build.gradle

@@ -59,7 +59,6 @@ allprojects {
 			':smack-android',
 			':smack-android-extensions',
 			':smack-bosh',
-			':smack-compression-jzlib',
 			':smack-debug',
 			':smack-debug-slf4j',
 			':smack-java7',

settings.gradle

@@ -16,7 +16,6 @@ include 'smack-core',
 		'smack-resolver-javax',
 		'smack-sasl-javax',
 		'smack-sasl-provided',
-		'smack-compression-jzlib',
 		'smack-legacy',
 		'smack-jingle-old',
 		'smack-bosh',

smack-compression-jzlib/build.gradle

@@ -1,8 +0,0 @@
-description = """\
-Compression with jzlib
-Allow to compress the XMPP stream with help of jzlib."""
-
-dependencies {
-	compile project(':smack-core')
-	compile 'com.jcraft:jzlib:[1.1,1.2)'
-}

smack-compression-jzlib/src/main/java/org/jivesoftware/smack/compression/jzlib/JzlibInputOutputStream.java

@@ -1,67 +0,0 @@
-/**
- *
- * Copyright 2013-2014 Florian Schmaus
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.jivesoftware.smack.compression.jzlib;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-import org.jivesoftware.smack.SmackConfiguration;
-import org.jivesoftware.smack.compression.XMPPInputOutputStream;
-
-import com.jcraft.jzlib.DeflaterOutputStream;
-import com.jcraft.jzlib.InflaterInputStream;
-
-/**
- * This class provides XMPP "zlib" compression with the help of JZLib.
- *
- * @author Florian Schmaus
- * @see <a href="http://www.jcraft.com/jzlib/">JZLib</a>
- *
- */
-public class JzlibInputOutputStream extends XMPPInputOutputStream {
-
-    static {
-        SmackConfiguration.addCompressionHandler(new JzlibInputOutputStream());
-    }
-
-    public JzlibInputOutputStream() {
-        super("zlib");
-    }
-
-    @Override
-    public boolean isSupported() {
-        return true;
-    }
-
-    @Override
-    public InputStream getInputStream(InputStream inputStream) throws IOException {
-        final InflaterInputStream is = new InflaterInputStream(inputStream);
-
-        return is;
-    }
-
-    @Override
-    public OutputStream getOutputStream(OutputStream outputStream) throws IOException {
-        final DeflaterOutputStream os = new DeflaterOutputStream(outputStream);
-        if (flushMethod == FlushMethod.SYNC_FLUSH) {
-            os.setSyncFlush(true);
-        }
-
-        return os;
-    }
-}

smack-compression-jzlib/src/main/java/org/jivesoftware/smack/compression/jzlib/package-info.java

@@ -1,21 +0,0 @@
-/**
- *
- * Copyright 2015 Florian Schmaus
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Support for XMPP stream compression (XEP-138) via JZlib.
- */
-package org.jivesoftware.smack.compression.jzlib;

smack-compression-jzlib/src/main/java/org/jivesoftware/smack/compression/package-info.java

@@ -1 +0,0 @@
-../../../../../../../../smack-core/src/main/java/org/jivesoftware/smack/compression/package-info.java