* common-src/amfeatures.c, common-src/amfeatures.h,
  perl/Amanda/Logfile.swg: Add fe_sendbackup_retry,
  fe_sendbackup_retry_delay, fe_sendbackup_retry_level,
  fe_sendbackup_retry_message.
* perl/Amanda/Report.pm: Handle RETRY line from dumper.
* perl/Amanda/Report/human.pm: Handle RETRY line from dumper.
* perl/Amanda/Status.pm: Handle RETRY line from dumper.
* server-src/amstatus.pl: Remove unneeded print statement.
* server-src/driver.c: Handle RETRY result from dumper.
* server-src/dumper.c: Handle 'sendbackup: retry' line.
* server-src/logfile.c, server-src/logfile.h: Add L_RETRY
* server-src/server_util.c, server-src/server_util.h: Add RETRY


git-svn-id: https://svn.code.sf.net/p/amanda/code/amanda/trunk@5630 a8d146d6-cc15-0410-8900-af154a0219e0