started/buildrt.t: Change CVS to Git
started/buildc.t: Change CVS to Git
texi2html_init.in: Reword rtems.com to rtems.org
cpright.texi: Update to reflect services and community
HELP.html Makefile.am: Remove unused HELP.html
relnotes/status.texi: Update to Bugzilla
relnotes/intro.texi: Change rtems.com to rtems.org and update