Update readme

README.md

@@ -27,12 +27,10 @@ Installation commands:
 
    * apt-get update
    * apt-get install g++ cmake git
-   * apt-get install libqt5opengl5-dev libqt5svg5-dev qtbase5-dev
+   * apt-get install libqt5opengl5-dev libqt5svg5-dev qtbase5-dev qtscript5-dev
    * apt-get install libboost-dev libboost-program-options-dev libboost-system-dev libboost-thread-dev
-   * apt-get install libgmp-dev libmpfr-dev zlib1g-dev
-   * apt-get install libtet1.5 qtscript5-dev
-   * to solve a missing link (bug in docker image?)
-       ln -s /usr/lib/x86_64-linux-gnu/libtet.so.1.5 /usr/lib/x86_64-linux-gnu/libtet.so
+   * apt-get install libgmp-dev libmpfr-dev zlib1g-dev libtet1.5-dev
+   * cd
    * git clone https://github.com/CGAL/cgal.git
    * cd cgal
    * git checkout 2b547ec58a9e34458792cb3f09ead399bb6dd075
@@ -49,11 +47,11 @@ Installation commands:
    cd builds
    mkdir release
    cd release
-   cmake -DCMAKE_BUILD_TYPE=Release ../../src -DCGAL_DIR=../../../cgal/
+   cmake -DCMAKE_BUILD_TYPE=Release ../../src -DCGAL_DIR=/root/cgal/
    make
    ```
 
-   Replace ```/cgal/directory``` by the full path to the directory containing CGAL.
+   If necessary, replace ```/root/cgal``` by the full path to the directory containing CGAL.
 
 
 # 4. Run the Programs