Merge topic 'improve-readme'

33632898e9 README: Suggest "sudo" for "make install"

Acked-by: Kitware Robot <[email protected]>
Merge-request: !2493

README.rst

@@ -62,7 +62,7 @@ within the CMake source directory or any other build directory of your
 choice. Once this has finished successfully, run ``make`` and
 ``make install``.  In summary::
 
- $ ./bootstrap && make && make install
+ $ ./bootstrap && make && sudo make install
 
 Windows
 ^^^^^^^