Added Gibbs code provided by Frederik Eaton
-rw-r--r-- 18011 COPYING
-rw-r--r-- 23667 ChangeLog
-rw-r--r-- 2933 Makefile
-rw-r--r-- 6683 Makefile.shared
-rwxr-xr-x 3255 Makefile.win
-rw-r--r-- 6263 README
-rw-r--r-- 56652 doxygen.conf
drwxr-xr-x - examples
drwxr-xr-x - include
drwxr-xr-x - matlab
drwxr-xr-x - src
drwxr-xr-x - tests
drwxr-xr-x - utils