Continuation Core and Toolboxes (COCO) Code

made period part of the arguments of boundary conditions

renamed 'mpbvp_create_tpbvp.m' to 'mpbvp_create_bvp.m', because it can now be used to set-up simple multi-point boundary value problems

moved test example 'multipliers' to 'examples/pwlin'

moved test example 'multipliers' to 'examples/pwlin'

new functions for adding linear functionals to continuation problem

changed order of arguments of coco_add_parameters

renamed function identifyer to match toolbox name

updated hscont

simple call now returns a string

improved error message for pending functions