HARARE (Reuters) - In his inaugural address, Zimbabwe President Emmerson Mnangagwa promised on Friday that elections would be held next year as scheduled and outlined a broad vision for restoring economic and financial stability. Mnangagwa, who took over from Robert Mugabe after a military intervention, also told a packed national stadium in Harare that Zimbabwe was ready to re-engage with the outside world but said its land reform process could not be reversed. 