Bug 549441 - Rework usages of AbstractUIPlugin#imageDescriptorFromPlugin

Migrate org.example.mail from 1.5 to 1.8 as it requires bundles with 1.8

Change-Id: I9ade4138a012b97664a1fc1fb1ddd84264b17638
Signed-off-by: Alexander Fedorov <alexander.fedorov@arsysop.ru>
diff --git a/examples/packaging_p2_product/org.example.mail/.classpath b/examples/packaging_p2_product/org.example.mail/.classpath
index 64c5e31..eca7bdb 100644
--- a/examples/packaging_p2_product/org.example.mail/.classpath
+++ b/examples/packaging_p2_product/org.example.mail/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/examples/packaging_p2_product/org.example.mail/.settings/org.eclipse.jdt.core.prefs b/examples/packaging_p2_product/org.example.mail/.settings/org.eclipse.jdt.core.prefs
index 361224d..0c68a61 100644
--- a/examples/packaging_p2_product/org.example.mail/.settings/org.eclipse.jdt.core.prefs
+++ b/examples/packaging_p2_product/org.example.mail/.settings/org.eclipse.jdt.core.prefs
@@ -1,7 +1,7 @@
-#Fri Dec 12 14:58:14 EST 2008
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
-org.eclipse.jdt.core.compiler.compliance=1.5
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.5
+org.eclipse.jdt.core.compiler.source=1.8
diff --git a/examples/packaging_p2_product/org.example.mail/META-INF/MANIFEST.MF b/examples/packaging_p2_product/org.example.mail/META-INF/MANIFEST.MF
index 339cb42..31c8a2d 100644
--- a/examples/packaging_p2_product/org.example.mail/META-INF/MANIFEST.MF
+++ b/examples/packaging_p2_product/org.example.mail/META-INF/MANIFEST.MF
@@ -5,7 +5,7 @@
 Bundle-Version: 1.1.0.qualifier
 Require-Bundle: org.eclipse.ui,
  org.eclipse.core.runtime
-Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Export-Package: org.example.mail
 Bundle-ActivationPolicy: lazy
 Automatic-Module-Name: org.example.mail