Add monotonicity parameter to LMSolver and TRSolver#226

dpo merged 3 commits intoJuliaSmoothOptimizers:masterJuliaSmoothOptimizers/RegularizedOptimization.jl:masterfrom

MohamedLaghdafHABIBOULLAH:Nonmonotone-TR-and-LMMohamedLaghdafHABIBOULLAH/RegularizedOptimization.jl:Nonmonotone-TR-and-LMCopy head branch name to clipboard