docs/understanding/concepts.rst: Doc tweaks
Merge pull request #918 from msabramo/tweak_docs/understanding/concepts.rst

docs/understanding/concepts.rst: Doc tweaks
docs/using/install-client.rst: tsuru => tsuru-client

for Ubuntu package name
Merge pull request #922 from msabramo/doc_change_ubuntu_pkg_name_from_tsuru_to_tsuru-client

docs/using/install-client.rst: tsuru => tsuru-client
tsr 0.7 release note: add script to redis migration
provision/docker: run healthcheck if present in app customdata
provision/docker: added more messages during the deployment process
godeps: updated docker-cluster version
contributors: add missing emails

We have an internal build task that calls misc/check-contributors.sh.
provision/docker: remove unreachable code in healthcheck
Make /install/client.html redirect to /using/install-client.html

Because old clients reference the former page, which is now a broken
link on ReadTheDocs

Fixes: GH-921
provision/docker: healthcheck max-time read from config
provision/docker: make sure to close body of health check responses
docs: docs for health check and tsuru.yaml
bump to
Revert "bump to"

This reverts commit 9e7a13be49e2b3c4218a3c628bccd43db3c87889.
bump to 0.7.0
docs: remove warning from release note
provision/docker: fix error handling in docker-node-add. fixes #901
make release: version is required.