Fix validation issue

lang="E" is wrong, it needs to be "EN"

Change-Id: I5193378e49a3b4218f2609b6be227a53ceade189
Remove text from json and xml files

Closes-Bug: #1266077

Change-Id: I4a8982c40d2ee854ce1043ef73f64ac5bc2b3506
author: diane fleming
Adopt for using openstack-doc-tools

Allow building and testing with openstack-doc-tools package.

Add README to explain repositoriy and tools usage.

Change-Id: I11628b9d7c231f5bf8daa031c52b0bcdcba9990e
Fix whitespace and tabs

Remove extra whitespace and tabs as noticed by openstack-doc-test
--check-niceness.

Change-Id: I6f71b1141fda116cb432d2525d46e9a12ec810bc
Merge "Fix validation issue"
Merge "Adopt for using openstack-doc-tools"
Merge "Fix whitespace and tabs"