Documentation about the initial configuration file and sample data.

The initial configuration file and sample data are both are helpful in getting
setup with a keystone development environment.

Change-Id: Ic100177abe8dda1510a183463e61e0b757986e97
Implement Token Flush via keystone-manage.

Creates a cli entry 'token_flush' which removes all expired tokens.

Fixes: bug 1032633
Implements: blueprint keystone-manage-token-flush
Change-Id: I47eab99b577ff9e9ee74fee08e18fd07c4af5aad
Read-only default domain for LDAP (bug 1168726)

A proper fix to the above was also blocked by bug 1117356, so that's
fixed here as well (updates properly return the resulting entities).

Change-Id: I672b90e67545cc1fe65b05ef7f8af5b42ca6afc3
Imported Translations from Transifex

Change-Id: I28403102c86512d1d934e6d1b065ef3b9e3949d6
Merge "Documentation about the initial configuration file and sample data."
Merge "Imported Translations from Transifex"
Merge "Read-only default domain for LDAP (bug 1168726)"