match associate training guide references to swift

match swift refereces as object storage node rather than storage node
new patch fixes bug syntax

Closes-Bug: #1254513

Change-Id: If9683f9af9804a479417ce96c34c2c4866b10e81
fixes incorrect associate guide chapter 9 title

changes associate guide chapter 9 title to object storage node from storage node

Change-Id: Icc633a522501f80cc1b2e92dad5525e9fea5d077
Closes-Bug: #1254516