BAGHDAD - Prime Minister Haider al-Abadi on Thursday invited Iraq's political groups to meet after the Eid al-Fitr Muslim holiday and agree on how to move forward in establishing a new parliament and government.Abadi said that despite there being violations in a May parliamentary election, constitutional provisions were the only way forward.Eid al-Fitr follows the fasting month of Ramadan. The government announced the holiday would end on Tuesday.