First implementation of moment estimation

added enhancement label

added 12 commits

• f27483d2...77dbeab9 - 4 commits from branch Dynare:master
• 3615962a - First draft of method of moments toolbox with GMM and SMM
• e14e9641 - Factorize checking of positive definiteness
• a40807ca - plot_priors.m: Allow for optional title
• 540f0454 - Code Review of GMM routines
• 552b9952 - Remove stuff and checks that are already done in the preprocessor
• 9c99eac5 - Move more options to substructure options_mom_.mom
• a77dc6b9 - Fix iterated method of moments
• c9e89098 - testsuite: Add Andreasen testmodel order=2

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added 2 commits

• 65229796 - testsuite: Add test cases
• 4bb5a6ea - method_of_moments.m: Fix bug in check of dimensions of weighting matrix

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added 2 commits

• b273a279 - Fix iterated method of moments
• b7eb5252 - testsuite: Add test cases

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added 1 commit

• 19b7d202 - testsuite: Add test cases

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merged

mentioned in commit 1dbbef9f