Improve Documentation for Presync

[Steven R. Brandt]

Using PreSync is best done by including new headers and new macros. A suitable place in the documentation should be identified to document these features.

[Roland Haas]

@Steven R. Brandt documentation about PreSync was added to the flesh docs. Are you satisfied with that level of documentation? In that case this ticket could b closed.

[Roland Haas]

@Steven R. Brandt documentation about PreSync was added to the flesh docs. Are you satisfied with that level of documentation? In that case this ticket could b closed.

[Steven R. Brandt]

Text was updated prior to last release.