[libegg] (60 commits) ...Added separate test case for EggSpreadTableDnd.

[Tristan Van Berkom <tvb src gnome org>]

Summary of changes:

  e38f471... Make EggSpreadTable cooperate better with subclasses. (*)
  154a163... Added EggSpreadTableDnD subclass (*)
  9508152... Updated testspreadtable simply to use a EggSpreadTableDnd (*)
  1a423b2... Removing debug print statements. (*)
  fed7845... Fix use of deprecated gdk_drawable_get_size(). (*)
  5961a55... Allocate children at the proper location in the case we are (*)
  f984734... Enhanced EggSpreadTableDnd (*)
  d8463a8... Added an embedded spread table to the spread table to test  (*)
  ce01567... toolbareditor: Use GTK+ 3 (*)
  ea730e1... column-chooser: Ported to GTK+ 3. (*)
  9037e2d... fileformatchooser: Ported to GTK+ 3. (*)
  83c735e... thumbnailpreview: Ported to GTK+ 3 (*)
  c88b2af... Merge branch 'master' into spread-table-dnd (*)
  745a8fc... EggSpreadTableDnd Fixes (*)
  82fa24c... Added apis to EggSpreadTable to better cooperate with the D (*)
  6903123... Added EggPlaceholder object to use inside the EggSpreadTabl (*)
  8d0c754... Committing initial version of animated drag'n'drop for EggS (*)
  a2387cd... Fixed some glitches with EggSpreadTableDnd drag'n'drop expe (*)
  f812996... Removed sidebar because it is old and unused. (*)
  6920304... Rename configure.in to configure.ac. (*)
  4aa3973... treeviewutils/eggaccelerators: Update from g-c-c (*)
  96e606c... Correct autogen.sh after configure.in rename (*)
  5a8e378... Add an --enable-warnings=fatal configure option (*)
  6981a74... Use gnome-common warning and deprecation macros (*)
  bb8a912... Use single includes (*)
  ee79df1... Include sentinel NULL in g_object_set call (*)
  d73779f... Remove unused code (*)
  a22ef43... Add casts to silence compiler warnings (*)
  7229a4f... Add void to function prototype and definition (*)
  f7e94af... Declare a variable as const to silence a warning (*)
  8ee6666... Make an int a uint to silence a compiler warning (*)
  9cd81de... Disambiguate evaluation order to silence warnings (*)
  e975d90... Update configure.ac and Makefile.am files (*)
  103a164... Remove references to sidebar in the documentation (*)
  ad0c827... Tidy smclient CFLAGS and LIBS (*)
  f6bff55... Add casts for xmlChar to/from gchar (*)
  49ef368... Update documentation templates (*)
  73f929f... Replace some deprecated code (*)
  2fec892... Add a GDK_DISPLAY_XDISPLAY cast (*)
  cf30dbb... Port datetime to GTK+ 3, inspired by seahorse (*)
  e925f6e... Merge branch 'master' into spread-table-dnd (*)
  b594065... Changed animation timing for EggPlaceholder (*)
  fe91749... Fixed EggSpreadTable to calculate invisible children proper (*)
  d488cc0... Better version of EggSpreadTableDnd with animated drag'n'dr (*)
  5e67352... Added error checking to EggPlaceholder (*)
  ef85473... Fixing EggSpreadTable further to always include invisible c (*)
  77320bf... Again better version of EggSpreadTableDnd (*)
  86cc2ad... Implemented the drag-failed signal on drag sources. (*)
  a8f0401... Merge branch 'master' into spread-table-dnd (*)
  7e61f76... Simplified some code in EggPlaceholder (*)
  e4f286c... Fixed prototype for egg_spread_table_dnd_get_type() (*)
  cdd954a... Fixed EggSpreadTableDnd to properly get rid of placeholders (*)
  8265832... Removed debug print and unused vfuncs from EggSpreadTableDn (*)
  fc209b8... Fixed guess for good placeholder size in EggSpreadTableDnd (*)
  b94b932... Added "widget-drop-possible" signal to EggSpreadTableDnd (*)
  60f1058... Simplifying EggSpreadTable code. (*)
  776fe02... More tweaking placeholder animation speed. (*)
  e54a8ad... Make EggSpreadTableDnd override the ->build_segments_for_si (*)
  b32045e... Fixed EggSpreadTableDnd to request the right height while d (*)
  9697ff4... Added separate test case for EggSpreadTableDnd. (*)

(*) This commit already existed in another branch; no separate mail sent