Introduce Smack's Modular Connection Architecture

This is a complete redesign of what was previously
XmppNioTcpConnection. The new architecture allows to extend an XMPP
client to server (c2s) connection with new transport bindings and
other extensions.

smack-repl/build.gradle

@@ -10,18 +10,14 @@ ext {
 }
 
 dependencies {
-    compile project(':smack-tcp')
-	compile project(':smack-bosh')
-	compile project(':smack-java7')
-	compile project(':smack-resolver-minidns')
-	compile project(':smack-resolver-minidns-dox')
-    compile project(':smack-extensions')
-	compile project(':smack-experimental')
-	compile project(':smack-legacy')
-	compile project(':smack-integration-test')
-	compile project(':smack-omemo-signal')
+	// Smack's integration test framework (sintest) depends on
+	// smack-java*-full and since we may want to use parts of sinttest
+	// in the REPL, we simply depend sinttest.
+    api project(':smack-integration-test')
+
     compile "org.scala-lang:scala-library:$scalaVersion"
     compile "com.lihaoyi:ammonite_$scalaVersion:1.3.2"
+
     testCompile project(path: ":smack-core", configuration: "testRuntime")
 }
 
@@ -38,8 +34,3 @@ task printClasspath(dependsOn: assemble) {
         println sourceSets.main.runtimeClasspath.asPath
     }
 }
-
-task printXmppNioTcpConnectionStateGraph(type: JavaExec) {
-	classpath sourceSets.main.runtimeClasspath
-	main 'org.igniterealtime.smack.smackrepl.StateGraph'
-}