added Git\Tree documents.

Author: chobie

docs/classes/tree/get_entries.rst

@@ -0,0 +1,35 @@
+.. index::
+   single: getEntries (Git\Tree method)
+
+
+Git\\Tree::getEntries
+===========================================================
+
+returns tree entry array.
+
+Description
+***********************************************************
+
+public **Git\\Tree::getEntries** ()
+
+
+Parameters
+***********************************************************
+
+Return Values
+***********************************************************
+
+array Git\Tree\Entry
+
+Examples
+***********************************************************
+
+.. code-block::php
+
+    <?php
+    $repo = new Git\Repository("/tmp/specified.git");
+    $tree = $repo->getTree($repo->getCommit($repo->lookupRef("refs/heads/master")));
+    $result = $tree->getEntries();
+
+See Also
+***********************************************************

docs/classes/tree/get_entry.rst

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+.. index::
+   single: getEntry (Git\Tree method)
+
+
+Git\\Tree::getEntry
+===========================================================
+
+returns specified tree entry.
+
+Description
+***********************************************************
+
+public **Git\\Tree::getEntry** (int *$offset* = 0)
+
+
+Parameters
+***********************************************************
+
+*offset*
+  tree entry offset
+
+
+Return Values
+***********************************************************
+
+Git\Tree\Entry
+
+Examples
+***********************************************************
+
+.. code-block::php
+
+    <?php
+    $repo = new Git\Repository("/tmp/specified.git");
+    $tree = $repo->getTree($repo->getCommit($repo->lookupRef("refs/heads/master")));
+    $result = $tree->getEntry(0);
+
+See Also
+***********************************************************

docs/classes/tree/get_iterator.rst

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+.. index::
+   single: getIterator (Git\Tree method)
+
+
+Git\\Tree::getIterator
+===========================================================
+
+IteratorAggregate interface.
+
+Description
+***********************************************************
+
+public **Git\\Tree::getIterator** ()
+
+Parameters
+***********************************************************
+
+Return Values
+***********************************************************
+
+Examples
+***********************************************************
+
+.. code-block::php
+
+    <?php
+    $repo = new Git\Repository("/tmp/specified.git");
+    $commit = $repo->getCommit($repo->lookupRef("refs/heads/master")->getId());
+		$tree = $commit->getTree();
+    foreach($tree->getIterator() as $entry){
+       // something...
+    }
+    
+See Also
+***********************************************************