Erlang bump from 17.3 to 17.4 as 17.3 has a serious ssl bug
intel-gpu-tools: update from 1.8 to 1.9
adopt it and enabled tests (they worked with chroots builds)
libcouchbase version bump from 2.4.1 -> 2.4.4
gdal: update to 1.11.1 and compiling with proj

proj is needed by ogr2ogr to convert in between coordinate systems
Fix using Apache httpd 2.2
strace: Update to 4.9
pypy: disable cpickle test..
cron: make into systemd.service and make it depend on /etc/localtime
so that changes in timezone will trigger a restart of cron service.
Update syncthing to 0.10.11. Apparently, tests doesn't completely work.