More spell and typo fixes (mostly visualise->visualize, grey->gray, normalise->normal...
-rw-r--r-- 62891 CMakeLists.txt
-rw-r--r-- 302 COPYING
-rw-r--r-- 9909 GNUmakefile
-rw-r--r-- 30446 SConstruct
drwxr-xr-x - build_files
drwxr-xr-x - doc
drwxr-xr-x - extern
drwxr-xr-x - intern
drwxr-xr-x - release
drwxr-xr-x - source