CREDIT AGREEMENT by and between ALICO, INC., ALICO-AGRI, LTD., ALICO PLANT WORLD, L.L.C., ALICO FRUIT COMPANY, LLC, ALICO LAND DEVELOPMENT INC., and ALICO CITRUS NURSERY, LLC, as Borrowers and RABO AGRIFINANCE, INC., as Lender Dated as of December 1, 2014