* device-src/s3.c: Do not reuse connection if REUSE-CONNECTION is
  FALSE.
* device-src/s3.h (s3_open): New reuse_connection argument.
* man/xml-source/amanda-devices.7.xml: Document REUSE-CONNECTION
  property.
* ReleaseNotes, NEWS: Add REUSE-CONNECTION.


git-svn-id: https://amanda.svn.sourceforge.net/svnroot/amanda/amanda/branches/3_3@4845 a8d146d6-cc15-0410-8900-af154a0219e0