Upgrade Tycho to 1.7.0

Change-Id: I41d927e53f040750bbf0160dc15d8ca8a3f9f7ca
Signed-off-by: Michael Keppler <Michael.Keppler@gmx.de>

org.eclipse.jgit.packaging/pom.xml

@@ -22,7 +22,7 @@
   <name>JGit Tycho Parent</name>
 
   <properties>
-    <tycho-version>1.6.0</tycho-version>
+    <tycho-version>1.7.0</tycho-version>
     <tycho-extras-version>${tycho-version}</tycho-extras-version>
     <target-platform>jgit-4.6</target-platform>
   </properties>

pom.xml

@@ -169,7 +169,7 @@
     <slf4j-version>1.7.2</slf4j-version>
     <log4j-version>1.2.15</log4j-version>
     <maven-javadoc-plugin-version>3.2.0</maven-javadoc-plugin-version>
-    <tycho-extras-version>1.6.0</tycho-extras-version>
+    <tycho-extras-version>1.7.0</tycho-extras-version>
     <gson-version>2.8.2</gson-version>
     <bouncycastle-version>1.64</bouncycastle-version>
     <spotbugs-maven-plugin-version>4.0.0</spotbugs-maven-plugin-version>