Update plugin level dependencies and JavaSE version 

Change-Id: Ic9f8ff00c7080c41a924e79a75a8a61c044f7ae1
diff --git a/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/META-INF/MANIFEST.MF b/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/META-INF/MANIFEST.MF
index 094c191..7fc6166 100644
--- a/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/META-INF/MANIFEST.MF
+++ b/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/META-INF/MANIFEST.MF
@@ -8,15 +8,15 @@
 Bundle-ActivationPolicy: lazy
 Bundle-ClassPath: .
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Require-Bundle: org.eclipse.core.expressions;bundle-version="[3.4.0,4.0.0)",
  org.eclipse.emf.ecore.xmi;bundle-version="[2.5.0,3.0.0)",
  org.eclipse.emf.transaction;bundle-version="[1.4.0,2.0.0)",
  org.eclipse.gef;bundle-version="[3.6.0,4.0.0)",
- org.eclipse.graphiti;bundle-version="[0.9.0,1.0.0)",
- org.eclipse.graphiti.mm;bundle-version="[0.9.0,1.0.0)",
- org.eclipse.graphiti.pattern;bundle-version="[0.9.0,1.0.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.9.0,1.0.0)",
+ org.eclipse.graphiti;bundle-version="[0.12.0,1.0.0)",
+ org.eclipse.graphiti.mm;bundle-version="[0.12.0,1.0.0)",
+ org.eclipse.graphiti.pattern;bundle-version="[0.12.0,1.0.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.12.0,1.0.0)",
  org.eclipse.jdt.core;bundle-version="[3.4.0,4.0.0)",
  org.eclipse.jdt.ui;bundle-version="[3.4.0,4.0.0)",
  org.eclipse.jface.text;bundle-version="[3.7.0,4.0.0)",
@@ -30,11 +30,7 @@
  org.eclipse.wst.common.project.facet.core;bundle-version="[1.3.0,2.0.0)",
  org.eclipse.core.filesystem;bundle-version="1.3.100",
  org.eclipse.jpt.common.ui;bundle-version="1.3.0",
- org.eclipse.jdt.core.manipulation;bundle-version="1.5.0",
- org.eclipse.graphiti.mm.source;bundle-version="0.12.0",
- org.eclipse.graphiti.pattern.source;bundle-version="0.12.0",
- org.eclipse.graphiti.source;bundle-version="0.12.0",
- org.eclipse.graphiti.ui.source;bundle-version="0.12.0"
+ org.eclipse.jdt.core.manipulation;bundle-version="1.5.0"
 Export-Package: org.eclipse.jpt.jpadiagrameditor.ui.internal;x-internal:=true,
  org.eclipse.jpt.jpadiagrameditor.ui.internal.dialog;x-internal:=true,
  org.eclipse.jpt.jpadiagrameditor.ui.internal.facade;x-internal:=true,
diff --git a/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.swtbot.tests/META-INF/MANIFEST.MF b/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.swtbot.tests/META-INF/MANIFEST.MF
index 7a9f4f3..556c01e 100644
--- a/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.swtbot.tests/META-INF/MANIFEST.MF
+++ b/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.swtbot.tests/META-INF/MANIFEST.MF
@@ -8,13 +8,13 @@
 Bundle-ActivationPolicy: lazy
 Bundle-ClassPath: .
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Require-Bundle: org.easymock;bundle-version="[2.4.0,3.0.0)",
  org.eclipse.emf.ecore.xmi;bundle-version="[2.5.0,3.0.0)",
  org.eclipse.emf.transaction;bundle-version="[1.4.0,2.0.0)",
  org.eclipse.gef;bundle-version="[3.6.0,4.0.0)",
- org.eclipse.graphiti;bundle-version="[0.9.0,1.0.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.9.0,1.0.0)",
+ org.eclipse.graphiti;bundle-version="[0.12.0,1.0.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.12.0,1.0.0)",
  org.eclipse.jpt.common.core;bundle-version="[1.0.0,2.0.0)",
  org.eclipse.jpt.common.utility;bundle-version="[2.0.0,3.0.0)",
  org.eclipse.jdt.core;bundle-version="[3.4.0,4.0.0)",
diff --git a/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/META-INF/MANIFEST.MF b/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/META-INF/MANIFEST.MF
index 23896e7..f701c4f 100644
--- a/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/META-INF/MANIFEST.MF
+++ b/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/META-INF/MANIFEST.MF
@@ -8,13 +8,13 @@
 Bundle-ActivationPolicy: lazy
 Bundle-ClassPath: .
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Require-Bundle: org.easymock;bundle-version="[2.4.0,3.0.0)",
  org.eclipse.emf.ecore.xmi;bundle-version="[2.5.0,3.0.0)",
  org.eclipse.emf.transaction;bundle-version="[1.4.0,2.0.0)",
  org.eclipse.gef;bundle-version="[3.6.0,4.0.0)",
- org.eclipse.graphiti;bundle-version="[0.9.0,1.0.0)",
- org.eclipse.graphiti.ui;bundle-version="[0.9.0,1.0.0)",
+ org.eclipse.graphiti;bundle-version="[0.12.0,1.0.0)",
+ org.eclipse.graphiti.ui;bundle-version="[0.12.0,1.0.0)",
  org.eclipse.jpt.common.core;bundle-version="[1.0.0,2.0.0)",
  org.eclipse.jpt.common.utility;bundle-version="[2.0.0,3.0.0)",
  org.eclipse.jdt.core;bundle-version="[3.4.0,4.0.0)",