Update to Lucene 5 (first step)

Change-Id: I220db9271d411e00f6c894238a1024a56c58aa2d
diff --git a/pom.xml b/pom.xml
index 1a056a9..e27e37d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -110,7 +110,7 @@
       <artifactId>lucene-core</artifactId>
       <groupId>org.apache.lucene</groupId>
       <type>jar</type>
-      <version>4.10.3</version>
+      <version>5.0.0</version>
     </dependency>
 
     <!-- Lucene queryparser dependency -->
@@ -118,7 +118,7 @@
       <artifactId>lucene-queryparser</artifactId>
       <groupId>org.apache.lucene</groupId>
       <type>jar</type>
-      <version>4.10.3</version>
+      <version>5.0.0</version>
     </dependency>
 
     <!-- Lucene analyzers dependency -->
@@ -126,7 +126,7 @@
       <artifactId>lucene-analyzers-common</artifactId>
       <groupId>org.apache.lucene</groupId>
       <type>jar</type>
-      <version>4.10.3</version>
+      <version>5.0.0</version>
     </dependency>
 
     <dependency>