etc: rename sysv init scripts to denote RedHat environment dependency

These example scripts will only work on RedHat-based distributions that
support chkconfig and /etc/init.d/functions.  They are not compatible
with current Linux Standard Base init scripts.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
etc: add example LSB-based init scripts

These scripts support automated startup on Debian (Ubuntu) and other
distributions that follow the Linux Standards Base.

http://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/tocsysinit.html

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
Merge pull request #490 from pabigot/enh-init-scripts

refine init scripts