Remove .cvsignore from build directories; put `build' in higher level
-rw-r--r-- 1341 AUTHORS
-rw-r--r-- 4270 LICENSE
-rw-r--r-- 228 Makefile
drwxr-xr-x - doc
drwxr-xr-x - grading
drwxr-xr-x - specs
drwxr-xr-x - src
drwxr-xr-x - tests