update 1.6 iOS release
fixed links
Add Authorizer and Account Manager documentation
Typo fixes
Merge branch 'AGIOS-200'
Updating SimplePush Roadmap.

- pushed June release to July.
Adding and updating sync from mailing list convo
Adding data format documentation.
Updating docs with current thoughts
Adding repository link
fixing asciidoc error
update links to agios latest rel. version
update api docs
Merge branch 'latest'