doc: use @url instead of @indicateurl as it produces a better pdf output

doc/chapters/introduction.texi

@@ -2,7 +2,7 @@
 
 @c This file is part of the StarPU Handbook.
 @c Copyright (C) 2009--2011  Universit@'e de Bordeaux 1
-@c Copyright (C) 2010, 2011, 2012  Centre National de la Recherche Scientifique
+@c Copyright (C) 2010, 2011, 2012, 2013  Centre National de la Recherche Scientifique
 @c Copyright (C) 2011, 2012 Institut National de Recherche en Informatique et Automatique
 @c See the file starpu.texi for copying conditions.
 
@@ -181,7 +181,7 @@ unregister it.
 @subsection Research Papers
 
 Research papers about StarPU can be found at
-@indicateurl{http://runtime.bordeaux.inria.fr/Publis/Keyword/STARPU.html}.
+@url{http://runtime.bordeaux.inria.fr/Publis/Keyword/STARPU.html}.
 
 A good overview is available in the research report at
-@indicateurl{http://hal.archives-ouvertes.fr/inria-00467677}.
+@url{http://hal.archives-ouvertes.fr/inria-00467677}.

doc/chapters/perf-feedback.texi

@@ -2,7 +2,7 @@
 
 @c This file is part of the StarPU Handbook.
 @c Copyright (C) 2009--2011  Universit@'e de Bordeaux 1
-@c Copyright (C) 2010, 2011, 2012  Centre National de la Recherche Scientifique
+@c Copyright (C) 2010, 2011, 2012, 2013  Centre National de la Recherche Scientifique
 @c Copyright (C) 2011, 2012 Institut National de Recherche en Informatique et Automatique
 @c See the file starpu.texi for copying conditions.
 
@@ -247,7 +247,7 @@ and "localhost" should be used as IP Address to connect to.
 @subsection Generating traces with FxT
 
 StarPU can use the FxT library (see
-@indicateurl{https://savannah.nongnu.org/projects/fkt/}) to generate traces
+@url{https://savannah.nongnu.org/projects/fkt/}) to generate traces
 with a limited runtime overhead.
 
 You can either get a tarball: