Merge changes I8445070d,I38f10d62,I2af0bf68

* changes:
  Fix plugin provider names to conform with release train requirement
  Add missing @since tags for new API methods
  DfsReaderOptions are options for a DFS stored repository

org.eclipse.jgit.console/plugin.properties

 plugin_name=JGit Console User Interface
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit.http.server/plugin.properties

 plugin_name=JGit HTTP Server
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit.http.test/plugin.properties

 plugin_name=JGit HTTP Tests
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit.junit.http/plugin.properties

 plugin_name=JGit JUnit Http Utility Classes
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit.junit/plugin.properties

 plugin_name=JGit JUnit Utility Classes
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit.pgm.test/plugin.properties

 plugin_name=JGit Command Line Interface Tests
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit.pgm/plugin.properties

 plugin_name=JGit Command Line Interface
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit.test/plugin.properties

 plugin_name=JGit Core Tests
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit.ui/plugin.properties

 plugin_name=JGit AWT User Interface
-provider_name=Eclipse.org
+provider_name=Eclipse JGit

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReaderOptions.java

 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.storage.pack.PackConfig;
 
-/** Options controlling how objects are read from a DHT stored repository. */
+/** Options controlling how objects are read from a DFS stored repository. */
 public class DfsReaderOptions {
 	/** 1024 (number of bytes in one kibibyte/kilobyte) */
 	public static final int KiB = 1024;

org.eclipse.jgit/src/org/eclipse/jgit/lib/RefUpdate.java

 	 * are checked explicitly.
 	 *
 	 * @param check
+	 * @since 3.0
 	 */
 	public void setCheckConflicting(boolean check) {
 		checkConflicting = check;

org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java

 	 * @return true if existing delta chains should be cut at
 	 *         {@link #getMaxDeltaDepth()}. Default is false, allowing existing
 	 *         chains to be of any length.
+	 * @since 3.0
 	 */
 	public boolean getCutDeltaChains() {
 		return cutDeltaChains;
 	 *
 	 * @param cut
 	 *            true to cut existing chains.
+	 * @since 3.0
 	 */
 	public void setCutDeltaChains(boolean cut) {
 		cutDeltaChains = cut;