Add doc repo as submodule
-rw-r--r-- 72 .gitignore
-rw-r--r-- 116 .gitmodules
-rw-r--r-- 4631 CMakeLists.txt
-rw-r--r-- 35147 COPYING.GPL
-rw-r--r-- 1598 COPYING.NCSA
-rw-r--r-- 993 LICENSE
-rw-r--r-- 553 README
drwxr-xr-x - cmake
m--------- - doc
drwxr-xr-x - old-doc
drwxr-xr-x - samples
drwxr-xr-x - src
drwxr-xr-x - testdata