feat: Add rate control to animation system

[Rhuagh]

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This change is 

[Rhuagh]

Rebased, and ready.

[Rhuagh]

Rebased, and ready.

[torkleyy]

Reviewed 8 of 8 files at r1.
Review status: all files reviewed at latest revision, 1 unresolved discussion.

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amethyst_animation/src/resources.rs, line 228 at r1 (raw file):

            .values_mut()
            .filter(|t| t.state != ControlState::Done)
        {

Can use for_each

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Comments from Reviewable

[torkleyy]

Reviewed 8 of 8 files at r1.
Review status: all files reviewed at latest revision, 1 unresolved discussion.

---

amethyst_animation/src/resources.rs, line 228 at r1 (raw file):

            .values_mut()
            .filter(|t| t.state != ControlState::Done)
        {

Can use for_each

---

Comments from Reviewable

[Rhuagh]

Review status: 7 of 8 files reviewed at latest revision, 1 unresolved discussion.

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amethyst_animation/src/resources.rs, line 228 at r1 (raw file):

Previously, torkleyy (Thomas Schaller) wrote…

Can use for_each

Done.

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Comments from Reviewable

[Rhuagh]

Review status: 7 of 8 files reviewed at latest revision, 1 unresolved discussion.

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amethyst_animation/src/resources.rs, line 228 at r1 (raw file):

Previously, torkleyy (Thomas Schaller) wrote…

Can use for_each

Done.

---

Comments from Reviewable

[Xaeroxe]

LGTM!

[torkleyy]

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

---

Comments from Reviewable

[torkleyy]

---

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

---

Comments from Reviewable

[torkleyy]

Ready to merge in a couple of hours when everybody had the chance to review.

[Rhuagh]

bors r+

[Rhuagh]

bors r+

[bors]

Build succeeded

• continuous-integration/appveyor/branch
• continuous-integration/travis-ci/push

[bors]

Build succeeded

• continuous-integration/appveyor/branch
• continuous-integration/travis-ci/push