fixing warnings

com.ensoftcorp.open.pointsto/.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/JavaSE-1.7"/>
+	<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"/>

com.ensoftcorp.open.pointsto/.settings/org.eclipse.jdt.core.prefs

@@ -1,11 +1,11 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8

com.ensoftcorp.open.pointsto/META-INF/MANIFEST.MF

@@ -4,13 +4,13 @@ Bundle-Name: Points-to Toolbox
 Bundle-SymbolicName: com.ensoftcorp.open.pointsto;singleton:=true
 Bundle-Version: 3.0.12.qualifier
 Bundle-Vendor: EnSoft Corp.
-Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Require-Bundle: 
  org.eclipse.debug.ui,
  net.ontopia.utils;bundle-version="5.2.2",
  com.ensoftcorp.open.commons;bundle-version="3.0.12",
  com.ensoftcorp.open.java.commons;bundle-version="3.0.12",
  com.ensoftcorp.open.jimple.commons;bundle-version="3.0.12"
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-ActivationPolicy: lazy
 Bundle-ClassPath: .
 Bundle-Activator: com.ensoftcorp.open.pointsto.Activator