Fix Javadoc warnings

There were some broken links, incorrect uses of @value, an invalid
tag and an outdated comment.

Change-Id: I22886bcc869a4b62bd606ebed40669f7b4723664
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/MyersDiffPerformanceTest.java

@@ -60,7 +60,7 @@ import org.eclipse.jgit.util.CPUTimeStopWatch;
  * time for computing the diff between a and b should depend on the product of
  * a.length+b.length and the number of found differences. The tests compute
  * diffs between chunks of different length, measure the needed time and check
- * that time/(N*D) does not differ more than a certain factor (currently 10)
+ * that time/(N*D) does not differ more than a certain factor.
  */
 public class MyersDiffPerformanceTest extends TestCase {
 	private static final long longTaskBoundary = 5000000000L;

org.eclipse.jgit/src/org/eclipse/jgit/api/ConcurrentRefUpdateException.java

@@ -47,7 +47,7 @@ import org.eclipse.jgit.lib.RefUpdate;
  * Exception thrown when a command wants to update a ref but failed because
  * another process is accessing (or even also updating) the ref.
  *
- * @see RefUpdate.Result#LOCK_FAILURE
+ * @see org.eclipse.jgit.lib.RefUpdate.Result#LOCK_FAILURE
  */
 public class ConcurrentRefUpdateException extends GitAPIException {
 	private static final long serialVersionUID = 1L;

org.eclipse.jgit/src/org/eclipse/jgit/api/LogCommand.java

@@ -64,7 +64,7 @@ import org.eclipse.jgit.revwalk.RevWalk;
  * This is currently a very basic implementation which takes only one starting
  * revision as option.
  *
- * @TODO add more options (revision ranges, sorting, ...)
+ * TODO: add more options (revision ranges, sorting, ...)
  *
  * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-log.html"
  *      >Git documentation about Log</a>

org.eclipse.jgit/src/org/eclipse/jgit/merge/MergeChunk.java

@@ -87,7 +87,7 @@ public class MergeChunk {
 	 *
 	 * @param sequenceIndex
 	 *            determines to which sequence this chunks belongs to. Same as
-	 *            in {@link MergeResult#add(int, int, int, ConflictState)}
+	 *            in {@link org.eclipse.jgit.merge.MergeResult#add}
 	 * @param begin
 	 *            the first element from the specified sequence which should be
 	 *            included in the merge result. Indexes start with 0.
@@ -109,8 +109,7 @@ public class MergeChunk {
 
 	/**
 	 * @return the index of the sequence to which sequence this chunks belongs
-	 *         to. Same as in
-	 *         {@link MergeResult#add(int, int, int, ConflictState)}
+	 *         to. Same as in {@link org.eclipse.jgit.merge.MergeResult#add}
 	 */
 	public int getSequenceIndex() {
 		return sequenceIndex;

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

@@ -311,7 +311,7 @@ public class PackWriter {
 	 * Check whether object is configured to reuse deltas existing in
 	 * repository.
 	 * <p>
-	 * Default setting: {@value #DEFAULT_REUSE_DELTAS}
+	 * Default setting: {@link #DEFAULT_REUSE_DELTAS}
 	 * </p>
 	 *
 	 * @return true if object is configured to reuse deltas; false otherwise.
@@ -334,7 +334,7 @@ public class PackWriter {
 	 * computed to verify data.
 	 * </p>
 	 * <p>
-	 * Default setting: {@value #DEFAULT_REUSE_DELTAS}
+	 * Default setting: {@link #DEFAULT_REUSE_DELTAS}
 	 * </p>
 	 *
 	 * @param reuseDeltas
@@ -348,7 +348,7 @@ public class PackWriter {
 	 * Checks whether object is configured to reuse existing objects
 	 * representation in repository.
 	 * <p>
-	 * Default setting: {@value #DEFAULT_REUSE_OBJECTS}
+	 * Default setting: {@link #DEFAULT_REUSE_OBJECTS}
 	 * </p>
 	 *
 	 * @return true if writer is configured to reuse objects representation from
@@ -364,7 +364,7 @@ public class PackWriter {
 	 * compressed data is directly copied from such a pack file. Data checksum
 	 * is verified.
 	 * <p>
-	 * Default setting: {@value #DEFAULT_REUSE_OBJECTS}
+	 * Default setting: {@link #DEFAULT_REUSE_OBJECTS}
 	 * </p>
 	 *
 	 * @param reuseObjects
@@ -380,7 +380,7 @@ public class PackWriter {
 	 * reducing pack size) or should store it as an object id (legacy style,
 	 * compatible with old readers).
 	 * <p>
-	 * Default setting: {@value #DEFAULT_DELTA_BASE_AS_OFFSET}
+	 * Default setting: {@link #DEFAULT_DELTA_BASE_AS_OFFSET}
 	 * </p>
 	 *
 	 * @return true if delta base is stored as an offset; false if it is stored
@@ -395,7 +395,7 @@ public class PackWriter {
 	 * pack file (new approach reducing file size) or as an object id (legacy
 	 * approach, compatible with old readers).
 	 * <p>
-	 * Default setting: {@value #DEFAULT_DELTA_BASE_AS_OFFSET}
+	 * Default setting: {@link #DEFAULT_DELTA_BASE_AS_OFFSET}
 	 * </p>
 	 *
 	 * @param deltaBaseAsOffset
@@ -436,7 +436,7 @@ public class PackWriter {
 	 * Get maximum depth of delta chain set up for this writer. Generated chains
 	 * are not longer than this value.
 	 * <p>
-	 * Default setting: {@value #DEFAULT_MAX_DELTA_DEPTH}
+	 * Default setting: {@link #DEFAULT_MAX_DELTA_DEPTH}
 	 * </p>
 	 *
 	 * @return maximum delta chain depth.
@@ -450,7 +450,7 @@ public class PackWriter {
 	 * not longer than this value. Too low value causes low compression level,
 	 * while too big makes unpacking (reading) longer.
 	 * <p>
-	 * Default setting: {@value #DEFAULT_MAX_DELTA_DEPTH}
+	 * Default setting: {@link #DEFAULT_MAX_DELTA_DEPTH}
 	 * </p>
 	 *
 	 * @param maxDeltaDepth
@@ -475,7 +475,7 @@ public class PackWriter {
 	/**
 	 * Set the number of objects considered when searching for a delta base.
 	 * <p>
-	 * Default setting: {@value #DEFAULT_DELTA_SEARCH_WINDOW_SIZE}
+	 * Default setting: {@link #DEFAULT_DELTA_SEARCH_WINDOW_SIZE}
 	 * </p>
 	 *
 	 * @param objectCount
@@ -838,9 +838,9 @@ public class PackWriter {
 	 * <p>
 	 * At first, this method collects and sorts objects to pack, then deltas
 	 * search is performed if set up accordingly, finally pack stream is
-	 * written. {@link ProgressMonitor} tasks {@value #COMPRESSING_OBJECTS_PROGRESS}
+	 * written. {@link ProgressMonitor} tasks {@link #COMPRESSING_OBJECTS_PROGRESS}
 	 * (only if reuseDeltas or reuseObjects is enabled) and
-	 * {@value #WRITING_OBJECTS_PROGRESS} are updated during packing.
+	 * {@link #WRITING_OBJECTS_PROGRESS} are updated during packing.
 	 * </p>
 	 * <p>
 	 * All reused objects data checksum (Adler32/CRC32) is computed and