back porting to 1.9.x: Patient Dashboard - Allergy shows as year 3912 in
place of 2012 - TRUNK-3561
Move jackson library to the api sub project - TRUNK-3978
Revert "Move jackson library to the api sub project - TRUNK-3978"

This reverts commit 22b2d369d5ed17d43928827fc84d81da12921888.