Make work context filter safer

dotfiles/task/main.taskrc

@@ -4,7 +4,7 @@ calendar.holidays=full
 journal.info=no
 weekstart=Monday
 
-context.work=+rh or +ipu or +rhel or +rqkit or +iputool or +teamb or +ftgg or +event
+context.work=+rh or +rhel6 or +rhel7 or +ipu or +rhel or +rqkit or +iputool or +teamb or +ftgg or +event
 context.foss=+foss or +shellfu or +bmo or +saturnin or +tfkit or +mkit or +bmo or +ftgg or +event
 context.homeit=+homeit or +azzgoat or +hugo or +ith or +vornet or +ftgg or +event
 context.lounge=+lounge or +games or +listen or +fest or +beer or +surf or +watch or +read or +ftgg or +event