feat(router): image without development libraries to reduce the size.
fix(router): build cleanup.
fix(router): ubuntu-debotstrap doesn't have netstat and confd errors are redirected to /dev/null.
fix(router): use ubuntu:14.04.
fix(router): Set default values in /deis/router

Global router settings should be set in /deis/router and not
/deis/router/$HOST
fix(router): use docker capability to decompress files.
chore(controller): bump gunicorn to 19.1.1
fix(router): change nginx directory to /opt/nginx.
Merge pull request #1986 from aledbf/reduce_router_image_size

feat(router): image without development libraries to reduce the size.
Merge pull request #2004 from gabrtv/gunicorn-update

Update gunicorn to support dynamic configuration reload
fix(tests): shrink deis pull image by 200MB
fix(tests): add registry log output on error
Merge pull request #1938 from johanneswuerbach/fix-router-default-values

fix(router): Set default values in /deis/router
docs(deisctl): document DEISCTL_UNITS better
Merge pull request #2014 from gabrtv/fix-pull-test

fix(tests): shrink deis pull image by 200MB
Merge pull request #2017 from Xe/docs/deisctl/custom-units

docs(deisctl): document DEISCTL_UNITS better
chore(controller): remove unused django-yamlfield from requirements
Merge pull request #2023 from mboersma/remove-yamlfield

chore(controller): remove unused django-yamlfield from requirements