Use https everywhere

Signed-off-by: Alexander Diewald <diewald@fortiss.org>

oomph/af3.setup

@@ -63,9 +63,9 @@
         name="org.eclipse.xtext.sdk.feature.group"
         versionRange="[2.14.0,2.15.0)"/>
     <repository
-        url="http://download.eclipse.org/releases/photon"/>
+        url="https://download.eclipse.org/releases/photon"/>
     <repository
-        url="http://download.eclipse.org/technology/epp/packages/photon/"/>
+        url="https://download.eclipse.org/technology/epp/packages/photon/"/>
     <description>Install the tools needed in the IDE to work with the source code of ${scope.project.label}.</description>
   </setupTask>
   <setupTask
@@ -87,7 +87,7 @@
         versionRange="[5.0.0,5.1.0)"
         filter=""/>
     <repository
-        url="http://download.eclipse.org/egit/updates-5.0.3"/>
+        url="https://download.eclipse.org/egit/updates-5.0.3"/>
     <description>Install Git support for interacting with the AF3 repositories.</description>
   </setupTask>
   <setupTask
@@ -98,7 +98,7 @@
     <requirement
         name="org.eclipse.mylyn.tasks.ui"/>
     <repository
-        url="http://download.eclipse.org/mylyn/releases/latest"/>
+        url="https://download.eclipse.org/mylyn/releases/latest"/>
     <description>Recent mylyn version for issue management in redmine.</description>
   </setupTask>
   <setupTask
@@ -107,7 +107,7 @@
     <requirement
         name="org.eclipse.mylyn.web.tasks"/>
     <repository
-        url="http://download.eclipse.org/mylyn/incubator/latest/"/>
+        url="https://download.eclipse.org/mylyn/incubator/latest/"/>
     <description>Generic html-based connector for issue trackers. Used with redmine.</description>
   </setupTask>
   <setupTask
@@ -123,7 +123,7 @@
         name="org.eclipse.swtbot.forms.source.feature.group"
         versionRange="[2.7.0,2.8.0)"/>
     <repository
-        url="http://download.eclipse.org/technology/swtbot/releases/latest/"/>
+        url="https://download.eclipse.org/technology/swtbot/releases/latest/"/>
     <description></description>
   </setupTask>
   <setupTask
@@ -138,7 +138,7 @@
         versionRange="[3.5.0,3.6.0)"
         filter=""/>
     <repository
-        url="http://download.eclipse.org/tools/orbit/downloads/drops/R20180606145124/repository"/>
+        url="https://download.eclipse.org/tools/orbit/downloads/drops/R20180606145124/repository"/>
   </setupTask>
   <setupTask
       xsi:type="setup.p2:P2Task"
@@ -147,7 +147,7 @@
         name="org.eclipse.nebula.feature.feature.group"
         versionRange="[1.4.0,1.5.0)"/>
     <repository
-        url="http://download.eclipse.org/nebula/releases/2.0.1"/>
+        url="https://download.eclipse.org/nebula/releases/2.0.1"/>
   </setupTask>
   <setupTask
       xsi:type="setup.p2:P2Task"
@@ -155,7 +155,7 @@
     <requirement
         name="org.eclipse.fx.target.rcp.feature.feature.group"/>
     <repository
-        url="http://download.eclipse.org/efxclipse/runtime-released/3.3.0/site/"/>
+        url="https://download.eclipse.org/efxclipse/runtime-released/3.3.0/site/"/>
     <description>Install JavaFX runtime support for Kepler.</description>
   </setupTask>
   <setupTask
@@ -165,7 +165,7 @@
         name="org.eclipse.fx.ide.feature.feature.group"
         versionRange="[3.3.0,3.4.0)"/>
     <repository
-        url="http://download.eclipse.org/efxclipse/updates-released/3.3.0/site/"/>
+        url="https://download.eclipse.org/efxclipse/updates-released/3.3.0/site/"/>
     <description>Install JavaFX IDE support for Kepler.</description>
   </setupTask>
   <setupTask
@@ -178,7 +178,7 @@
         name="org.eclipse.systemfocus.tooling.emfgeneration.git.feature.feature.group"
         versionRange="[1.1.0,1.2.0)"/>
     <repository
-        url="http://download.fortiss.org/public/projects/org.eclipse.systemfocus.tooling.site/1.1/"/>
+        url="https://download.fortiss.org/public/projects/org.eclipse.systemfocus.tooling.site/1.1/"/>
     <description>Install the tools needed in the IDE to conduct code review and model generation of ${scope.project.label}.</description>
   </setupTask>
   <setupTask