Update to elasticsearch 5.0.0

Closes dadoonet#243.

pom.xml

@@ -20,9 +20,9 @@
 
     <properties>
         <elasticsearch.groupid>org.elasticsearch.distribution.zip</elasticsearch.groupid>
-        <elasticsearch.version>5.0.0-alpha5</elasticsearch.version>
+        <elasticsearch.version>5.0.0</elasticsearch.version>
         <!-- Don't depend on elasticsearch.version here as it will fail with 1.x and 2.x series -->
-        <elasticsearch.client.version>5.0.0-alpha5</elasticsearch.client.version>
+        <elasticsearch.client.version>5.0.0</elasticsearch.client.version>
 
         <tika.version>1.13</tika.version>
         <jackson.version>2.8.1</jackson.version>
@@ -525,7 +525,7 @@
         <repository>
             <id>elastic-download-service</id>
             <name>Elastic Download Service</name>
-            <url>https://download.elastic.co/elasticsearch/release/</url>
+            <url>https://artifacts.elastic.co/maven/</url>
             <releases>
                 <enabled>true</enabled>
             </releases>
@@ -563,6 +563,20 @@
                 <elasticsearch.version>2.3.3</elasticsearch.version>
                 <elasticsearch.security.artifact>shield</elasticsearch.security.artifact>
             </properties>
+            <repositories>
+                <!-- This repository is used to test with license and shield (2.x) -->
+                <repository>
+                    <id>elastic-download-service</id>
+                    <name>Elastic Download Service</name>
+                    <url>https://download.elastic.co/elasticsearch/release/</url>
+                    <releases>
+                        <enabled>true</enabled>
+                    </releases>
+                    <snapshots>
+                        <enabled>false</enabled>
+                    </snapshots>
+                </repository>
+            </repositories>
             <build>
                 <plugins>
                     <!-- For elasticsearch < 5.0.0 we need also to install the license plugin -->