Revert "Bug 535169: [Tips] Tips hashCode/equals should be final"

This reverts commit 4717ca4ba5d08c710ca304e2e1985b9514ec66e8.

Change-Id: Idfbe289ecd27f86ec2f80d9980f382dc98b3f0d7
diff --git a/org.eclipse.tips.core/src/org/eclipse/tips/core/Tip.java b/org.eclipse.tips.core/src/org/eclipse/tips/core/Tip.java
index bcdc1b9..ec887af 100644
--- a/org.eclipse.tips.core/src/org/eclipse/tips/core/Tip.java
+++ b/org.eclipse.tips.core/src/org/eclipse/tips/core/Tip.java
@@ -52,25 +52,20 @@
 	}
 
 	/**
-	 * Return the publish date of the tip. The UI could decide to serve newer tips
-	 * first. Note that this date is used to calculate the hash code of the Tip so
-	 * it should return the same value for the same tip.
+	 * Return the publish date of the tip. The UI could decide to server newer tips
+	 * first.
 	 *
 	 * @return the date this tip was published which may not be null.
 	 */
 	public abstract Date getCreationDate();
 
 	/**
-	 * Returns a meaningful short description of the tip. The description is used in
-	 * calculation of the hash code so once it is set for the tip, it may not
-	 * change.
-	 *
 	 * @return the subject which may not be null.
 	 */
 	public abstract String getSubject();
 
 	@Override
-	public final int hashCode() {
+	public int hashCode() {
 		final int prime = 31;
 		int result = 1;
 		result = prime * result + ((getCreationDate() == null) ? 0 : getCreationDate().hashCode());
@@ -80,7 +75,7 @@
 	}
 
 	@Override
-	public final boolean equals(Object obj) {
+	public boolean equals(Object obj) {
 		if (this == obj) {
 			return true;
 		}
diff --git a/org.eclipse.tips.ide/META-INF/MANIFEST.MF b/org.eclipse.tips.ide/META-INF/MANIFEST.MF
index 863b569..f60e67e 100644
--- a/org.eclipse.tips.ide/META-INF/MANIFEST.MF
+++ b/org.eclipse.tips.ide/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name
 Bundle-SymbolicName: org.eclipse.tips.ide;singleton:=true
-Bundle-Version: 1.0.0.qualifier
+Bundle-Version: 0.1.100.qualifier
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Require-Bundle: org.eclipse.ui;bundle-version="3.108.0",
  org.eclipse.core.runtime;bundle-version="3.12.0",
diff --git a/org.eclipse.tips.ide/pom.xml b/org.eclipse.tips.ide/pom.xml
index 3db3be5..42fac55 100644
--- a/org.eclipse.tips.ide/pom.xml
+++ b/org.eclipse.tips.ide/pom.xml
@@ -20,6 +20,6 @@
   </parent>
   <groupId>org.eclipse.ui</groupId>
   <artifactId>org.eclipse.tips.ide</artifactId>
-  <version>1.0.0-SNAPSHOT</version>
+  <version>0.1.100-SNAPSHOT</version>
   <packaging>eclipse-plugin</packaging>
 </project>