little doc updates

removed GTK 1.0 Drag'n'Drop
  added (const char*) constructor to wxDataFormat
  added -I pointing to embedded /png and /jpeg dirs
  corrected frame/dialog resizing


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2244 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/gtk/install.txt

@@ -57,10 +57,10 @@ this has no effect, but I tried...
 -----------------------
 
 wxWindows/GTK requires the GTK+ library to be installed on your system.
-It has to be a stable version, preferebly version 1.2.1. It might also
-work with the 1.0 series, but I didn't test that any longer.
-
-wxWindows/GTK does NOT work with the 1.1.X versions of the GTK+ library.
+It has to be a stable version, preferebly version 1.2.1. You can use
+GTK 1.0.X in connection with wxWindows, but we don't support Drag'n'Drop
+for GTK 1.0.X so you have to "configure --without-dnd". wxWindows does 
+NOT work with the 1.1.X versions of the GTK+ library.
 
 You can get the newest version of the GTK+ from the GTK homepage
 at

docs/gtk/readme.txt

@@ -1,5 +1,5 @@
 
-  Welcome to wxWindows/Gtk 2.1 beta 1,
+  Welcome to wxWindows/Gtk 2.1 beta 2,
 
 you have downloaded version 2.1 of the GTK+ 1.2 port of 
 the wxWindows GUI library. This is a developers release
@@ -19,7 +19,7 @@ at Julian Smart's homepage at:
   
 Information on how to install can be found in the file 
 INSTALL.txt, but if you cannot wait, this should work on
-all systems
+many systems (when using GTK 1.0 read the INSTALL.txt):
 
 ./configure
 make

docs/gtk/todo.txt

@@ -2,7 +2,7 @@
 -------------------- High priority ---------------------
 
 DnD
-  -> Must be rewritten for GTK+ 1.2
+  -> Must be rewritten for GTK+ 1.2. Much done.
  
 -------------------- Medium priority ---------------------