Fleshed out DebugDrawManager.addSphere
Merge pull request #67 from toji/debug-sphere

Fleshed out DebugDrawManager.addSphere
Add sphere debug draw to asset_pack demo.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Refactor line objects in debug draw manager.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Merge remote-tracking branch 'upstream/master' into features/model_viewer_component
Updates for intellij