Revert "Revert "Error message java.lang.NoClassDefFoundError: org/hibernate/util/DTDEntityResolver""
Revert "Revert "Error message java.lang.NoClassDefFoundError: org/hibernate/util/DTDEntityResolver""

This reverts commit 16f3a2ac84631ea2ae836c3967fe15feba3a8384.

dgray16/libreplan,dgray16/libreplan,LibrePlan/libreplan,skylow95/libreplan,LibrePlan/libreplan,skylow95/libreplan,skylow95/libreplan,dgray16/libreplan,poum/libreplan,poum/libreplan,PaulLuchyn/libreplan,dgray16/libreplan,PaulLuchyn/libreplan,PaulLuchyn/libreplan,poum/libreplan,LibrePlan/libreplan,PaulLuchyn/libreplan,skylow95/libreplan,dgray16/libreplan,skylow95/libreplan,PaulLuchyn/libreplan,PaulLuchyn/libreplan,poum/libreplan,dgray16/libreplan,poum/libreplan,LibrePlan/libreplan,LibrePlan/libreplan,PaulLuchyn/libreplan,LibrePlan/libreplan,poum/libreplan,dgray16/libreplan,LibrePlan/libreplan,skylow95/libreplan