bug 1248664 Fixed layout of keystone endpoint creation command

Change-Id: I5c54d295a5284fa5f67aa29c59e8d1979f195c51
Added Getting started section

implements bp/training-manuals

Change-Id: I657ec2a1e05b27eb5f56f0e16412157dee381f78
moved module-003 material into swift concepts chapter

this is part of the training guide restructuring effort.

implements bp/training-manual

Change-Id: I28c9c5317f55da4cef075bae89b3ee518aaeae74
Merge "Added Getting started section"
Merge "moved module-003 material into swift concepts chapter"