alarms: Comply with new configuration policy

RELEASE NOTES:
BOOK:

Deprecated:

alarms.server.config
alarms.store.db.type
alarms.store.path
alarms.store.db.rdbms
alarms.store.db.driver
alarms.store.db.host
alarms.store.db.user
alarms.store.db.pass
alarms.store.db.properties
alarms.store.db.url

New:

alarms.cell.name=alarms
alarms.log.config.path=${alarms.server.config}
(one-of?off|error|warn|info|debug|${alarms.server.log.level})alarms.log.root-level=${alarms.server.log.level}
(one-of?off|xml|rdbms|${alarms.store.db.type})alarms.db.type=off
alarms.db.xml.path=${alarms.store.path}
alarms.db.rdbms.type=${alarms.store.db.rdbms}
alarms.db.driver=${alarms.store.db.driver}
alarms.db.host=${$alarms.store.db.host}
alarms.db.user=${$alarms.store.db.user}
alarms.db.password=${alarms.store.db.pass}
alarms.db.name=alarms
alarms.db.config.path=${alarms.store.db.properties}
alarms.db.url=${alarms.store.db.url}
alarms.db.schema.auto
alarms.db.schema.changelog

Obsolete:
alarms.store.db.changelog

Target: master
Require-notes: yes
Require-book: yes
Patch: http://rb.dcache.org/r/5743
Acked-by: Gerd