Don't use gradle 'configurations' in smack-core

Fixes SMACK-587

smack-compression-jzlib/build.gradle

@@ -3,6 +3,6 @@ Compression with jzlib
 Allow to compress the XMPP stream with help of jzlib."""
 
 dependencies {
-	compile project(path: ':smack-core', configuration: 'compression')
+	compile project(path: ':smack-core')
 	compile 'com.jcraft:jzlib:1.1.3'
 }

smack-core/build.gradle

@@ -1,12 +1,6 @@
 description = """\
 Smack core components."""
 
-configurations {
-	compression
-	dns
-	sasl
-}
-
 dependencies {
 	compile 'xpp3:xpp3:1.1.4c'
 	compile "org.jxmpp:jxmpp-core:$jxmppVersion"
@@ -19,28 +13,6 @@ dependencies {
 	testCompile 'net.iharder:base64:2.3.8'
 }
 
-task compressionJar(type: Jar) {
-	appendix = 'compression'
-	dependsOn classes
-	from sourceSets.main.output
-	include('org/jivesoftware/smack/compression/**')
-	include('org/jivesoftware/smack/SmackConfiguration.class')
-}
-
-task dnsJar(type: Jar) {
-	appendix = 'dns'
-	dependsOn classes
-	from sourceSets.main.output
-	include('org/jivesoftware/smack/util/dns/**')
-	include('org/jivesoftware/smack/util/DNSUtil.class')
-	include('org/jivesoftware/smack/initializer/**')
-}
-
-artifacts {
-	compression compressionJar
-	dns dnsJar
-}
-
 class CreateFileTask extends DefaultTask {
 	@Input
 	String fileContent

smack-resolver-dnsjava/build.gradle

@@ -4,6 +4,6 @@ Use dnsjava for DNS SRV lookups. For platforms that don't provide the
 javax.naming API (e.g. Android)."""
 
 dependencies {
-	compile project(path: ':smack-core', configuration: 'dns')
+	compile project(path: ':smack-core')
 	compile 'dnsjava:dnsjava:2.1.+'
 }

smack-resolver-javax/build.gradle

@@ -4,5 +4,5 @@ Use javax.naming for DNS SRV lookups. The javax.naming API is availabe in JavaSE
 since Java7."""
 
 dependencies {
-	compile project(path: ':smack-core', configuration: 'dns')
+	compile project(path: ':smack-core')
 }

smack-resolver-minidns/build.gradle

@@ -4,7 +4,7 @@ Use minidns for DNS SRV lookups. For platforms that don't provide the
 javax.naming API (e.g. Android)."""
 
 dependencies {
-	compile project(path: ':smack-core', configuration: 'dns')
+	compile project(path: ':smack-core')
 	compile 'de.measite.minidns:minidns:0.1.1'
 	compile "org.jxmpp:jxmpp-util-cache:$jxmppVersion"
 }