* no need to wait for 10 seconds of detection failure.
* libzmq can be used in other components.

* also disable lua explicitly. anyway lua 5.3 cannot be used with trafficserver 4.2.3.
* also cleanup.

FYI, at least following programs are currently referred in SRs :

- basename
- cat
- cp
- date
- dirname
- echo
- ls
- md5sum
- rm
- sort
- tail
- test
- tr
- uname

Monitoring stack, included in webrunner and KVM SR

/reviewed-on nexedi/slapos!66

otherwise system libdb can be linked.

/reviewed-by @kirr
/reviewed-on nexedi/slapos!62

@kazuhiko also says:

with our current usage on gitlab, missing RPATH is not an issue but if
you invoke './parts/icu/bin/makeconv', it fails before my change.

/reviewed-by @kirr
/reviewed-on nexedi/slapos!62

* patch nltk egg so that the default data location is (buildout_directory)/parts/nltk-data without explicitly specifing by NLTK_DATA environment variable.
* download collection can be overridden like 'collection = aaa bbb ccc'.

/ref http://community.slapos.org/forum/NLTK-Buildout--Download-and-install-nltk_data

/cc @klaus, @Kreisel 

/reviewed-on nexedi/slapos!58

To pick up

    nexedi/gitlab-workhorse@32ec77c4

/reviewed-by TrustMe  (I hope)

@rafael says:

    Use master instead.

    nexedi/slapos@000d0e5a (comment 4716)

So lamp-edge -> master

@rafael says:

    development stuff from marco, it was probably removed or not even
    included.

    In theory you can use master instead.

    nexedi/slapos@692729bc (comment 4713)

So lapp-resilient3 -> master