nut: update from 2.6.5 to 2.7.1; fix nut-scanner
Revert "esdl: update from 1.0.1 to 1.2"

Api change breaks dependencies.

This reverts commit d3b47ef72575ccf2f1c885d325f2e3427e7abe2b.
warmux: fix build
libgit2: update from 0.18.0 to 0.20.0
namazu: update from 2.0.20 to 2.0.21
ndisc6: update from 1.0.1 to 1.0.2
ode: update from 0.11.1 to 0.12
oniguruma: update from 5.9.3 to 5.9.4
openmpi: update from 1.6.4 to 1.6.5
orc: update from 0.4.17 to 0.4.18
oslrd: update from 0.6.5.4 to 0.6.6.1
pari: update from 2.5.4 to 2.5.5
perlPackages.CPANChanges: update from 0.23 to 0.27
perlPackages.CPANUploader: update from 0.103004 to 0.103006
perlPackages.CompressZlib: update from 2.060 to 2.063
perlPackages.Coro: update from 6.31 to 6.33
perlPackages.DBFile: update from 1.826 to 1.831
perlPackages.DBI: update from 1.625 to 1.630
perlPackages.DataDump: update from 1.21 to 1.22
perlPackages.DataOptList: update from 0.107 to 0.109