update some icnons of the gui * files-dock-widget.cc (constructor): new icons for new folder selection and for searching in/for files * file-editor.cc (construct): new icons for file open and find actions * find-dialog.cc (constructor): new widget icons * main-window.cc (construct_file_menu): new icons for file open action; (construct_toolbar): new icon for selecting new octave directory * libgui/src/module.mk, resource.qrc: removed icons: chat.png, help_index.png, jabber_protocol.png, question.png, star.png, stop.png, terminal.png new icons: findf.png, folder_documents.png, folder.png * icon_files: update list of icons used from the Crystal Project, update link to its license, add a list of icons created by the octave developpers * chat.png, help_index.png, jabber_protocol.png, question.png, star.png, stop.png, terminal.png: removed icon files * findf.png, folder_documents.png, folder.png: new icon files

--- a/libgui/src/main-window.cc	Sat Jan 11 22:29:52 2014 +0100
+++ b/libgui/src/main-window.cc	Sun Jan 12 12:41:39 2014 +0100
@@ -1353,7 +1353,7 @@
   construct_new_menu (file_menu);
 
   _open_action
-    = file_menu->addAction (QIcon (":/actions/icons/fileopen.png"),
+    = file_menu->addAction (QIcon (":/actions/icons/folder_documents.png"),
                             tr ("Open..."));
   _open_action->setShortcutContext (Qt::ApplicationShortcut);
 
@@ -1973,7 +1973,7 @@
                               QIcon (":/actions/icons/up.png"),
                               tr ("One directory up"));
   QAction *current_dir_search = _main_tool_bar->addAction (
-                                  QIcon (":/actions/icons/search.png"),
+                                  QIcon (":/actions/icons/folder.png"),
                                   tr ("Browse directories"));
 
   connect (_current_directory_combo_box, SIGNAL (activated (QString)),