contrib/openldap: add an OpenLDAP Docker image for testing

*: port oob template

Documentation/proposals: add a proposal for keeping data in-sync during refreshes

server: fix key rotation polling

gorename command run:

    gorename \
      -from '"github.com/coreos/dex/server".rotationStrategy.period' \
      -to rotationFrequency

*: build aci at the correct path including version, OS, and arch

dev branch: fix sql keys query

*: add more comments to the example config

dev branch: self managed third party resources

server: only print gc stats if something has been removed

dev branch: fix linting

dev branch: properly compile version into docker images

dev branch: add DCO and LICENSE

dev branch: add garbage collect method to storage

server: allow extra spaces in scopes

go-oidc sends an extra space before the list of scopes. This is bad
but we have to support it, so we'll be more lenient and ignore
duplicated whitespace.

dev branch: add tests for refreshing with explicit scopes