Revert "Removing the json parser for this release."
Revert "Removing the json parser for this release."

This reverts commit 258180cfde67e57d35eeb22b9dbcf5b7558111bc.

linagora/sabre-vobject,DavidPrevot/sabre-vobject,fruux/sabre-vobject,sabre-io/vobject,armin-hackmann/sabre-vobject