Merge pull request #380 from didacog/master

Added "$OUTPUT_PREFIX/" to PXE (kernel and initrd) locations and solved vlan support error.
Some enhancements for use of duplicity directly with rear and for use of
webdav direktly as mount.
dsmc query optins (backup/archive)

Chang query option dependig on $TSM_ARCHIVE_MGMT_CLASS has been selected.
add /etc/openssh/* config path
add /etc/openssh/* config path
Merge pull request #384 from mkosmach/master

AltLinux use /etc/openssh for sshd config files
Merge pull request #381 from fhoeppner/duplicity

Some enhancements for use of duplicity directly with rear
Merge pull request #382 from nebelong/patch-1

dsmc query optins (backup/archive)
Fix for #386 (usage of wrong filesystem list)

Wrong fs list used during restore process. Current code uses '/tmp/list_of_fs_objects' which contains all fs of all backuped servers in the DP environment. This is wrong.
Must use the "filtered" list '/tmp/dp_list_of_fs_objects' which contains only the fs for the specific server. 
File is beeing generated in prior script (verify/../50_select_dp_restore.sh).
Merge pull request #388 from revog/patch-1

Fix for #386 (usage of wrong filesystem list)
force a rear mkrescue if one of the network files changes
see issue #234
avoiding the swap partition being rezised - issue #71
Fixed typos and spelling in the documentation.
Some enhancements for use with duplicity.
Merge pull request #391 from fhoeppner/duplicity

Some enhancements for use with duplicity.
By removing rescue/DUPLICITY/default/10_create_symlinks.sh and
moving the symlinking to build/DUPLICITY/default/60_create_python_symlink.sh we fix issue #394

However, more changes are required to get duplicity to do something functional again; for the next commit
made some changes to duplicity prep script and if a duply profile was found we may swicth to duplu as BACKUP_PROG; we also save this variable to our rescue.conf file (needed in recover mode)
fix regression due to an old commit (integrity check and restoring from 'empty')
Merge pull request #396 from Florent38/restorearchive

fix regression due to an old commit (integrity check and restoring from 'empty')
added $VAR_DIR/output/\* to BACKUP_PROG_EXCLUDE to avoid ISOs to being backuped up