[latexila] Add ITS Tool as requirement in INSTALL file

[SÃbastien Wilmet <swilmet src gnome org>]

commit 734d2c8b491148c31f021b19c9a4d6029291ede5
Author: SÃbastien Wilmet <swilmet src gnome org>
Date:   Fri Aug 5 17:17:56 2011 +0200

    Add ITS Tool as requirement in INSTALL file

 INSTALL |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/INSTALL b/INSTALL
index 8f2202b..96fd824 100644
--- a/INSTALL
+++ b/INSTALL
@@ -10,11 +10,11 @@ gdk-x11
 x11
 CMake >= 2.6.4
 gettext
+ITS Tool (http://itstool.org/)
 gsettings-desktop-schemas (optional)
 
-If you are installing LaTeXila from a .tar.bz2 or from a 'releases-*' branch,
+If you are installing LaTeXila from a tarball or from a 'releases-*' branch,
 you don't have to install Vala because the C code is already generated.
-Otherwise, see the CMake configuration at the end of this file.
 
 
 Simple install procedure