CONFIG: use ThirdParty boost, FFTW instead of system versions

- many systems may not have boost or FFTW installed, or in an older
  version. Using ThirdParty for them should lead to a more robust
  build process.

etc/config.csh/CGAL

@@ -50,7 +50,7 @@
 #
 #------------------------------------------------------------------------------
 
-set boost_version=boost-system
+set boost_version=boost_1_61_0
 set cgal_version=CGAL-4.8
 
 setenv BOOST_ARCH_PATH $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$boost_version

etc/config.csh/FFTW

@@ -48,7 +48,7 @@
 #
 #------------------------------------------------------------------------------
 
-set fftw_version=fftw-system
+set fftw_version=fftw-3.3.4
 
 setenv FFTW_ARCH_PATH $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$fftw_version
 

etc/config.sh/CGAL

@@ -49,7 +49,7 @@
 #         - the LD_LIBRARY_PATH is not adjusted.
 #------------------------------------------------------------------------------
 
-boost_version=boost-system
+boost_version=boost_1_61_0
 cgal_version=CGAL-4.8
 
 export BOOST_ARCH_PATH=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$boost_version

etc/config.sh/FFTW

@@ -47,7 +47,7 @@
 #         - the LD_LIBRARY_PATH is not adjusted.
 #------------------------------------------------------------------------------
 
-fftw_version=fftw-system
+fftw_version=fftw-3.3.4
 
 export FFTW_ARCH_PATH=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$fftw_version