Change git repo urls

change git.orfeo-toolbox.org to gitlab urls in OTB documentation (slides and otb courses)

Courses/org/InstallGuide/install-en.tex

@@ -47,7 +47,7 @@ Install QGIS: \url{http://www.qgis.org/en/site/forusers/download.html}.
 
 \subsection{Python}
 
-This dependency is required only if python module is part of your
+This dependency is required only if Python module is part of your
 training. Download the 3.5.4 version available here :
 \url{https://www.python.org/ftp/python/3.5.4/python-3.5.4-amd64.exe}. It does
 not require root privileges. Once installed, it is also required to install
@@ -103,7 +103,7 @@ Once the installation is done, OTB applications can be used in several ways. Che
 \item Launch \texttt{monteverdi.bat} from the installation folder.
 
 \item Try to open a TIFF image in Monteverdi (see
-figure~\ref{fig:monteverdi}). A demonstration TIFF image is available here: \url{https://git.orfeo-toolbox.org/otb-data.git/blob/HEAD:/Examples/QB\_Toulouse\_Ortho\_PAN.tif}.
+figure~\ref{fig:monteverdi}). A demonstration TIFF image is available here: \url{https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb-data/raw/master/Examples/QB\_Toulouse\_Ortho\_PAN.tif}.
 
 \item The application browser is available from the ``View'' menu 
 $\rightarrow$ "OTB-Applications browser".
@@ -226,7 +226,7 @@ Once the installation is done, OTB applications can be run in several ways. Chec
 \begin{enumerate}
 
 \item Try to open a TIFF image in Monteverdi (see
-figure~\ref{fig:monteverdi}). A demonstration TIFF image is available here: \url{https://git.orfeo-toolbox.org/otb-data.git/blob/HEAD:/Examples/QB\_Toulouse\_Ortho\_PAN.tif}.
+figure~\ref{fig:monteverdi}). A demonstration TIFF image is available here: \url{https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb-data/raw/master/Examples/QB\_Toulouse\_Ortho\_PAN.tif}.
 
 \item The application browser is available from the ``View'' menu 
 $\rightarrow$ "OTB-Applications browser".