Add HASI and GrowCut remote modules

[dzenanz]

PR Checklist

• No API changes were made (or the changes have been approved)
• No major design changes were made (or the changes have been approved)
• Added test (or behavior not changed)
• Updated API documentation (or API not changed)
• Added license to new files (if any)
• Added Python wrapping to new files (if any) as described in ITK Software Guide Section 9.5
• Added ITK examples for all new major features (if any)

[dzenanz]

I will probably update GrowCut to mirror Slicer's improvements in August (after vacation). But even the current version is useful.

HASI's improvements will probably be in additional Python code and examples, so adding the current version.

[jhlegarreta]

👍