added optimization with fixed-value parameter, required first step for computing profile likelihood #30
added ability to mark a function parameter as fixed at any time during optimization
first running profile likelihood computation + tests, ref #30
added ability to compute full profile likehood curve + to get any error along the curve + unit tests, ref #30
added control of profile likelihood from test_functions + storage of confidence intervals into solution object, ref #30
added lorentz peak bench function in examples
added command line control of parameters to lorentz peak bench
Merge branch 'master' into minos

Conflicts:
	src/Makefile.am
	src/cmaparameters.cc
	src/cmaparameters.h
fixed parameters initial value in successive minimizations for computing the profile likelihood, ref #30
prepared for passing initial solution as starting point for new minimization
Merge branch 'master' into minos

Conflicts:
	tests/test-functions.cc
in test_functions, default lambda is set automatically
start profile iterative search from last best solution, ref #30
added access to bounds to boundstrategies
added boundary control to profile likelihood line search + restart from previous solution with identity covariance matrix, ref #30
added warning on optimization error when computing profile likelihood, ref #30
added deviation error and output + dummy constructor, both to profile likelihood, ref #30
added first version of contour function, that computes the four initial points for deriving a contour line for a pair of parameters, ref #31
Merge branch 'master' into lorentzbench
fixed lorentz example