Updatest to java version
diff --git a/pom.xml b/pom.xml
index e03e1d1..9fa2c38 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,14 +10,14 @@
 	<packaging>pom</packaging>

 

 	<properties>

-		<tycho-version>2.0.0</tycho-version>

+		<tycho-version>1.7.0</tycho-version>

 		<tychoExtrasVersion>2.0.0</tychoExtrasVersion>

 		<tycho.scmUrl>scm:git:git://git.eclipse.org/gitroot/mdht/org.eclipse.mdht</tycho.scmUrl>

 		<jarSignerVersion>1.1.2</jarSignerVersion>

 		<findbugs.version>3.0.1</findbugs.version>

 		<xtext.version>2.7.3</xtext.version>

-		<java.source.version>11</java.source.version>

-		<java.target.version>11</java.target.version>

+		<java.source.version>1.8</java.source.version>

+		<java.target.version>1.8</java.target.version>

 		<mylyn.wikitext.version>2.4.0-SNAPSHOT</mylyn.wikitext.version>

 		<skipAllTests>false</skipAllTests>

 		<skipInnerTests>true</skipInnerTests>