asterisk startup script:
 * add "start-v*" option which makes it possible to start asterisk in verbose mode
 * use {{{rc.asterisk start-v}}}, {{{rc.asterisk start-vv}}}, {{{rc.asterisk start-vvv}}}, and so on to start asterisk with desired level of verboseness
 * refs #706


git-svn-id: file:///var/svn/freetz/trunk@10709 149334a1-2f27-0410-a3b9-fc62619ac1e6