* client-src/senddiscover.c: Fix.
* common-src/ammessage.c: Fix json output.
* perl/Amanda/Message.pm: Add Amanda::Service::Message.
* perl/Amanda/Rest/Amanda/bin/app.pl.in: Add
  /amanda/v1.0/services/discover URL
* perl/Makefile.am: Add Amanda/Service.pm and Amanda/Rest/Services.pm
* perl/Amanda/Service.pm: New perl module
* perl/Amanda/Rest/Services.pm: REST API for deicover service.


git-svn-id: https://svn.code.sf.net/p/amanda/code/amanda/trunk@5850 a8d146d6-cc15-0410-8900-af154a0219e0