Add rxjava-android build module + config

Should this be shared with other contribs through the parent module? Lots of copy and paste here.

Author: mttkay

rxjava-contrib/rxjava-android/build.gradle

@@ -0,0 +1,50 @@
+apply plugin: 'java'
+apply plugin: 'eclipse'
+apply plugin: 'idea'
+apply plugin: 'osgi'
+
+sourceCompatibility = JavaVersion.VERSION_1_6
+targetCompatibility = JavaVersion.VERSION_1_6
+
+dependencies {
+    compile project(':rxjava-core')
+    provided 'junit:junit-dep:4.10'
+    provided 'org.mockito:mockito-core:1.8.5'
+    provided 'com.google.android:android:4.0.1.2'
+}
+
+eclipse {
+  classpath {
+    // include 'provided' dependencies on the classpath
+    plusConfigurations += configurations.provided
+
+    downloadSources = true
+    downloadJavadoc = true
+  }
+}
+
+idea {
+	module {
+		// include 'provided' dependencies on the classpath
+		scopes.PROVIDED.plus += configurations.provided
+	}
+}
+
+javadoc {
+    options {
+        doclet = "org.benjchristensen.doclet.DocletExclude"
+        docletpath = [rootProject.file('./gradle/doclet-exclude.jar')]
+        stylesheetFile = rootProject.file('./gradle/javadocStyleSheet.css')
+        windowTitle = "RxJava Javadoc ${project.version}"
+    }
+    options.addStringOption('top').value = '<h2 class="title" style="padding-top:40px">RxJava</h2>'
+}
+
+jar {
+    manifest {
+        name = 'rxjava-android'
+        instruction 'Bundle-Vendor', 'Netflix'
+        instruction 'Bundle-DocURL', 'https://github.com/Netflix/RxJava'
+        instruction 'Import-Package', '!org.junit,!junit.framework,!org.mockito.*,*'
+    }
+}

settings.gradle

@@ -4,4 +4,5 @@ include 'rxjava-core', \
 'language-adaptors:rxjava-jruby', \
 'language-adaptors:rxjava-clojure', \
 'language-adaptors:rxjava-scala', \
-'rxjava-contrib:rxjava-swing'
+'rxjava-contrib:rxjava-swing', \
+'rxjava-contrib:rxjava-android'