Use author date to be consistent with other tools (fixes #919)

releases.moxie

     - Use release name as root directory in Gitblit GO artifacts (ticket-109)
     - Split gitblit.properties into gitblit.properties & defaults.properties (ticket-110)
     - Show team type in teams page (pr-217, ticket-168)
+    - Use author date to be consistent with other tools (pr-919)
     additions:
     - Add GitHub Octicons (ticket-106)
     - Support for chain-loading properties files (ticket-110) 

src/main/java/com/gitblit/models/RefModel.java

 				}
 			} else if (referencedObject instanceof RevCommit) {
 				RevCommit commit = (RevCommit) referencedObject;
-				PersonIdent committer = commit.getCommitterIdent();
-				if (committer != null) {
-					date = committer.getWhen();
+				PersonIdent author = commit.getAuthorIdent();
+				if (author != null) {
+					date = author.getWhen();
 				} else {
 					date = JGitUtils.getCommitDate(commit);
 				}

src/main/java/com/gitblit/utils/JGitUtils.java

 import java.util.Map.Entry;
 import java.util.regex.Pattern;
 
-import com.google.common.base.Strings;
 import org.apache.commons.io.filefilter.TrueFileFilter;
 import org.eclipse.jgit.api.CloneCommand;
 import org.eclipse.jgit.api.FetchCommand;
 import com.gitblit.models.PathModel.PathChangeModel;
 import com.gitblit.models.RefModel;
 import com.gitblit.models.SubmoduleModel;
+import com.google.common.base.Strings;
 
 /**
  * Collection of static methods for retrieving information from a repository.
 		if (commit == null) {
 			return new Date(0);
 		}
-		return commit.getAuthorIdent().getWhen();
+		if (commit.getAuthorIdent() != null) {
+			return commit.getAuthorIdent().getWhen();
+		}
+		return getCommitDate(commit);
 	}
 
 	/**

src/main/java/com/gitblit/utils/MetricUtils.java

 
 				Iterable<RevCommit> revlog = revWalk;
 				for (RevCommit rev : revlog) {
-					Date d = JGitUtils.getCommitDate(rev);
+					Date d = JGitUtils.getAuthorDate(rev);
 					String p = df.format(d);
 					if (!metricMap.containsKey(p)) {
 						metricMap.put(p, new Metric(p));

src/main/java/com/gitblit/wicket/pages/TicketPage.java

 import com.gitblit.wicket.GitBlitWebSession;
 import com.gitblit.wicket.TicketsUI;
 import com.gitblit.wicket.WicketUtils;
+import com.gitblit.wicket.panels.AvatarImage;
 import com.gitblit.wicket.panels.BasePanel.JavascriptTextPrompt;
 import com.gitblit.wicket.panels.CommentPanel;
 import com.gitblit.wicket.panels.DiffStatPanel;
-import com.gitblit.wicket.panels.AvatarImage;
 import com.gitblit.wicket.panels.IconAjaxLink;
 import com.gitblit.wicket.panels.LinkPanel;
 import com.gitblit.wicket.panels.ShockWaveComponent;
 					item.add(new LinkPanel("diff", "link", getString("gb.diff"), CommitDiffPage.class,
 							WicketUtils.newObjectParameter(repositoryName, commit.getName()), true));
 					item.add(new Label("title", StringUtils.trimString(commit.getShortMessage(), Constants.LEN_SHORTLOG_REFS)));
-					item.add(WicketUtils.createDateLabel("commitDate", JGitUtils.getCommitDate(commit), GitBlitWebSession
+					item.add(WicketUtils.createDateLabel("commitDate", JGitUtils.getAuthorDate(commit), GitBlitWebSession
 							.get().getTimezone(), getTimeUtils(), false));
 					item.add(new DiffStatPanel("commitDiffStat", 0, 0, true));
 				}

src/main/java/com/gitblit/wicket/panels/HistoryPanel.java

 			@Override
 			public void populateItem(final Item<RevCommit> item) {
 				final RevCommit entry = item.getModelObject();
-				final Date date = JGitUtils.getCommitDate(entry);
+				final Date date = JGitUtils.getAuthorDate(entry);
 
 				item.add(WicketUtils.createDateLabel("commitDate", date, getTimeZone(), getTimeUtils()));
 

src/main/java/com/gitblit/wicket/panels/LogPanel.java

 			@Override
 			public void populateItem(final Item<RevCommit> item) {
 				final RevCommit entry = item.getModelObject();
-				final Date date = JGitUtils.getCommitDate(entry);
+				final Date date = JGitUtils.getAuthorDate(entry);
 				final boolean isMerge = entry.getParentCount() > 1;
 
 				item.add(WicketUtils.createDateLabel("commitDate", date, getTimeZone(), getTimeUtils()));

src/main/java/com/gitblit/wicket/panels/SearchPanel.java

 			@Override
 			public void populateItem(final Item<RevCommit> item) {
 				final RevCommit entry = item.getModelObject();
-				final Date date = JGitUtils.getCommitDate(entry);
+				final Date date = JGitUtils.getAuthorDate(entry);
 
 				item.add(WicketUtils.createDateLabel("commitDate", date, getTimeZone(), getTimeUtils()));