Update documentation w.r.t. glib2 >= 2.26.x requirement

Signed-off-by: Yury V. Zaytsev <yury@shurup.com>

doc/HACKING

@@ -19,7 +19,7 @@ required:
 Autoconf 2.52 and above (latest is recommended)
 Automake 1.5 and above (latest is recommended)
 Gettext 0.11.5 and above
-Glib 2.14 and above
+Glib 2.26 and above
 
 Full list of requirements you can see at:
 http://www.midnight-commander.org/wiki/doc/buildAndInstall/req

doc/INSTALL

@@ -384,10 +384,10 @@ glib
 The only "hard" dependency of GNU Midnight Commander is glib.  You can
 get glib from
 
-ftp://ftp.gtk.org/pub/glib/
+ftp://ftp.gnome.org/pub/gnome/sources/glib/
 
-Minimal version of glib: 2.14.x
-Recommended version: 2.14.x and higher.
+Minimal version of glib: 2.26.x
+Recommended version: 2.26.x and higher.
 
 Newer versions may work, but haven't been tested.
 

doc/INSTALL.FAST

@@ -1,7 +1,6 @@
 Read the INSTALL file for the complete instructions. 
 
-GNU Midnight Commander requires glib2.  You may already have glib
-installed, but if you don't, take it from ftp://ftp.gtk.org/pub/gtk/
+GNU Midnight Commander requires glib2.
 
 GNU Midnight Commander uses the S-Lang screen library by default. It
 tries the S-Lang library installed on the system.  If it's not found,

doc/README

@@ -28,11 +28,6 @@ included with this distribution package.
 Dependencies
 ------------
 
-To compile the GNU Midnight Commander, you need to have a copy of the
-glib library version 2.14.x or newer, available at
-
-ftp://ftp.gtk.org/pub/glib/
-
 Please read the file INSTALL for installation instructions
 and full list of dependencies.