Update build to use Tycho 1.0.0

Change-Id: I10f61962e1496f079a39e0f533506816be56e925
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
(cherry picked from commit 92d8c9bec2)

org.eclipse.jgit.packaging/pom.xml

@@ -59,7 +59,7 @@
   <name>JGit Tycho Parent</name>
 
   <properties>
-    <tycho-version>0.26.0</tycho-version>
+    <tycho-version>1.0.0</tycho-version>
     <tycho-extras-version>${tycho-version}</tycho-extras-version>
     <target-platform>jgit-4.6</target-platform>
   </properties>