Made keyword-columns wider

Occassionally some keywords got larger than 50 chars, so all keyword columns are 200 chars now.
Removed automatic deletion of messages in eAlarm

Signed-off-by: chrishensel <futurefwarrior@googlemail.com>
Automatic deletion of old/acknowledged operations in UI

Signed-off-by: chrishensel <futurefwarrior@googlemail.com>