Fully detect changes before syncing.
Fully detect changes before syncing.

WARNING: This _might_ break file to file sync in some cases
(when the file has detectable content)


git-svn-id: e31799a7ad59d6ea355ca047c69e0aee8a59fcd3@1180 53f5c7ee-bee3-0310-bbc5-ea0e15fffd5e

ianmartin/opensync,ianmartin/opensync