By Allison Scarbrough, News Editor HART — A 57-year-old Hart man who set a mattress on fire inside an apartment last April pleaded “no contest” to a felony charge of first-degree arson in Oceana County’s 51st Circuit Court Monday, July 15. Luna Jesus Trigo, of 2320 W. Baseline Rd., faces a minimum term of 29 months in prison with a…