Offer MOI and COM visualization

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Original report (archived issue) by Steffi Paepcke (Bitbucket: spaepcke).

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From survey. Moment of Inertia and Center of Mass.

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Original comment by Nate Koenig (Bitbucket: Nathan Koenig).

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• set assignee_account_id to "557058:095b1e12-74ed-4e20-b44f-2f0745b616e0"
• changed assignee from "None (Bitbucket: None)" to "nkoenig (Bitbucket: nkoenig, GitHub: nkoenig)"

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Original comment by Steve Peters (Bitbucket: Steven Peters, GitHub: scpeters).

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partially resolved, COM visualization included in pull request #168

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Original comment by Nate Koenig (Bitbucket: Nathan Koenig).

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• changed state from "new" to "on hold"

On hold until after June, 2013.

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Original comment by Ian Chen (Bitbucket: Ian Chen, GitHub: iche033).

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• changed state from "on hold" to "open"

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Original comment by Steve Peters (Bitbucket: Steven Peters, GitHub: scpeters).

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I've added some code in branch issue_203 that scales the COM visual to a box of equivalent inertia with uniform density. This will be useful for evaluating the inertia of models in gazebo_models. In the attached picture, there are some clear errors with some models.

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Original comment by Steve Peters (Bitbucket: Steven Peters, GitHub: scpeters).

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• set component to "rendering"

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Original comment by Steve Peters (Bitbucket: Steven Peters, GitHub: scpeters).

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see pull request #745

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Original comment by Steve Peters (Bitbucket: Steven Peters, GitHub: scpeters).

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• changed state from "open" to "resolved"

pull request #745

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Original comment by Nate Koenig (Bitbucket: Nathan Koenig).

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• set version to "all"

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Original comment by Nate Koenig (Bitbucket: Nathan Koenig).

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• changed state from "resolved" to "closed"