http://www.haaretz.com/news/diplomacy-defense/palestinians-uncover-hamas...
Andan Damiri, who heads the Palestinian Preventative Security Forces, told reporters that the weapons were most likely intended against targets within the Palestinian Authority, not Israel.
Most likely not since Hamas always used provocation against Israel as a way to unify 'Palestinians' under the common banner of Jewish hatred. Besides, attacking PA does not require missile launchers and mortars.
