split retired and research

service.md

@@ -44,13 +44,21 @@ responsability of the TPA team.
  * [rt](howto/rt)
  * [svn](howto/svn)
 
-## Retired or researched services
+## Research
 
-Those services have been either retired or have not been implemented yet.
+Those services have not been implemented yet but are at the research
+phase.
 
  * [conference](howto/conference)
  * [submission](howto/submission)
+
+## Retired
+
+Those services have been retired.
+
  * [trac](howto/trac)
+ * [backuppc](old/backuppc)
+ * [nagios-client](old/nagios-client)
 
 ## other, non TSA stuff
 
@@ -62,8 +70,6 @@ Those are old docs that should be destroyed or merged above.
 
 <!-- update with `ls -d old/*.md | sed 's/.md$//;s/\(.*\)/ * [\1](old\/\1)/'` -->
 
- * [backuppc](old/backuppc)
- * [nagios-client](old/nagios-client)
  * [new-kvm-virsh-vm](old/new-kvm-virsh-vm)
  * [new-machine-cymru](old/new-machine-cymru)
  * [new-machine-nondebian](old/new-machine-nondebian)