Added smbclient to build dependencies

Otherwise the file util.pm in the nagios-plugins package
will miss the path to smbclient und check_disk_smb wont
work
Merge branch 'master' of ssh://mathias-kettner.de/omd
Merge branch 'master' into newcores
check_oracle_health: update to 1.8.3
Merge branch 'master' of mathias-kettner.de:omd
Merge branch 'master' into newcores
sles: git is required for build
Merge branch 'master' into newcores
check_oracle_health: update to 1.8.4
Merge branch 'master' into newcores
check_oracle_health: fixed an automake issue
Merge branch 'master' into newcores
nagvis: new version
Merge branch 'master' into newcores
nagvis: new build
nagvis: new build
Merge branch 'master' into newcores
icinga2: compile with -j2, otherwise it breaks on debian