settings.h: add header group label comments.
treebd3099ee0144afe90a48db0281c561b09a2d83b4
-rw-r--r-- 94344 ABOUT-NLS
-rw-r--r-- 67 AUTHORS
-rw-r--r-- 18092 COPYING
-rw-r--r-- 9471021 ChangeLog
-rw-r--r-- 22336 INSTALL
-rw-r--r-- 2132 Makefile.am
-rw-r--r-- 104315 NEWS
-rw-r--r-- 74 README
drwxr-xr-x - ai
-rwxr-xr-x 9044 autogen.sh
drwxr-xr-x - bootstrap
drwxr-xr-x - client
drwxr-xr-x - common
-rw-r--r-- 61881 configure.ac
drwxr-xr-x - data
drwxr-xr-x - dependencies
drwxr-xr-x - doc
-rwxr-xr-x 2430 fc_version
drwxr-xr-x - gen_headers
drwxr-xr-x - lua
drwxr-xr-x - m4
drwxr-xr-x - scripts
drwxr-xr-x - server
drwxr-xr-x - tests
drwxr-xr-x - tools
drwxr-xr-x - translations
drwxr-xr-x - utility
drwxr-xr-x - windows