* device-src/s3.c: Add SESSION-TOKEN property.
* device-src/s3.h (s3_open): Add session_token argument.
* device-src/s3-device.c: Add SESSION-TOKEN property.
* man/xml-source/amanda-devices.7.xml: Document the new property.


git-svn-id: https://svn.code.sf.net/p/amanda/code/amanda/trunk@5464 a8d146d6-cc15-0410-8900-af154a0219e0