Continuation Core and Toolboxes (COCO) Code

improved functionality of no_save field

- enabled multiple occurrence of same field in tb_info argument list: last one will win
- added simple parser to core

fixed small bug

added coco_project_opts template to admin

adjusted handling of project options to Matlab convention

added comment to mark strange looking code

added disp function to coco_stream

fixed a number of bugs

updated admin script add_branch

fixed backup script