* common-src/conffile.c, common-src/conffile.h: Add tag in dumptype
  and dump-selection in storage.
* perl/Amanda/Config.swg: Add new configuration setting.
* installcheck/Amanda_Config.pl: Check parsing dump-selection.
* server-src/diskfile.h: Add tags to disk_t.
* server-src/diskfile.c: set disk_t->tags.
* server-src/driver.c: Use tags and dump-selection.
* perl/Amanda/Storage.pm: Set $self->{'dump_selection'}.


git-svn-id: https://amanda.svn.sourceforge.net/svnroot/amanda/amanda/trunk@5210 a8d146d6-cc15-0410-8900-af154a0219e0