Update to elasticsearch 2.0.0.beta2

Closes elastic#161.
Closes elastic#162.

(cherry picked from commit 8583ce9)

pom.xml

@@ -32,21 +32,18 @@
 
     <properties>
         <elasticsearch.version>2.1.0-SNAPSHOT</elasticsearch.version>
-
         <elasticsearch.plugin.classname>org.elasticsearch.plugin.mapper.attachments.MapperAttachmentsPlugin</elasticsearch.plugin.classname>
-
         <elasticsearch.assembly.descriptor>${project.basedir}/src/main/assemblies/plugin.xml</elasticsearch.assembly.descriptor>
         <tests.rest.suite>mapper_attachments</tests.rest.suite>
         <tests.rest.load_packaged>false</tests.rest.load_packaged>
     </properties>
 
     <dependencies>
         <dependency>
-            <groupId>org.elasticsearch.distribution.fully-loaded</groupId>
+            <groupId>org.elasticsearch</groupId>
             <artifactId>elasticsearch</artifactId>
             <version>${elasticsearch.version}</version>
-            <type>pom</type>
-            <scope>test</scope>
+            <scope>provided</scope>
         </dependency>
 
         <!-- Tika -->