Update the points2binaryimage tool

[kostrykin]

• Add support for arbitrary columns when a header is present.
• Add support for an optional radius column
• Breaking changes:
  • Fix data type of output image (should be uint16, was int16)
  • Rasterize points as 0xffff instead of 0x7fff
  • Swap column order assumed by default (now XY, previously was YX)

---

FOR THE CONTRIBUTOR — Please fill out if applicable

Please make sure you have read the CONTRIBUTING.md document (last updated: 2024/04/23).

• License permits unrestricted use (educational + commercial).

If this PR adds or updates a tool or tool collection:

• This PR adds a new tool or tool collection.
• This PR updates an existing tool or tool collection.
• Tools added/updated by this PR comply with the Naming and Annotation Conventions for Tools in the Image Community in Galaxy (or explain why they do not).