update copyright headers for 2005

app.c

apps/app_alarmreceiver.c

apps/app_chanisavail.c

apps/app_curl.c

apps/app_db.c

apps/app_dial.c

apps/app_directory.c

apps/app_disa.c

apps/app_dumpchan.c

apps/app_enumlookup.c

apps/app_eval.c

apps/app_exec.c

apps/app_groupcount.c

apps/app_hasnewvoicemail.c

apps/app_image.c

apps/app_lookupblacklist.c

apps/app_lookupcidname.c

apps/app_macro.c

apps/app_math.c

apps/app_meetme.c