Mark Tox_Options struct as deprecated.

[iphydf]

We will remove it in v0.1.

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This change is 

[GrayHatter]

per IRC

<iphy> and apidsl doesn't understand __attribute__
<grayhatter> yeah, that's what I figured
<grayhatter> apidsl is pretty limiting
<iphy> that's half the point of apidsl

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Reviewed 2 of 2 files at r1.
Review status: all files reviewed at latest revision, all discussions resolved.

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Comments from Reviewable

[nurupo]

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Reviewed 2 of 2 files at r1, 1 of 1 files at r2.
Review status: all files reviewed at latest revision, all discussions resolved, some commit checks failed.

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Comments from Reviewable

[GrayHatter]

needs formatting

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Review status: all files reviewed at latest revision, 1 unresolved discussion, some commit checks failed.

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CMakeLists.txt, line 84 at r2 (raw file):

  add_flag("-Wno-conversion")
  add_flag("-Wno-covered-switch-default")
  add_flag("-Wno-documentation-deprecated-sync")

I don't like this, but I guess we have no choice...

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Comments from Reviewable

[GrayHatter]

Reviewed 1 of 1 files at r2.
Review status: all files reviewed at latest revision, all discussions resolved, some commit checks failed.

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Comments from Reviewable