26866797: Support Source Editor Extensions Preferences

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Description

Summary: Hello,

I'm the author of the Xcode Plugin Luft(https://github.com/k0nserv/luft). I was excited to implement Luft using the new Xcode Source Editor Extensions, but unfortunately I found that the current API is a bit lacking.

Luft currently ships with a preferences window that allows the user to change the settings used by Luft. It would be good if Source Editor Extensions provided a way for Extensions to have a pane/area under Xcode preferences for configuration.

Steps to Reproduce:

Expected Results: Xcode provides a way for Source Editor Extensions to be configured with extension specific settings under the Xcode preferences or elsewhere.

Actual Results: Not supported

Version: 8S128d

Notes:

Configuration: Xcode 8 Beta

Attachments:

Product Version: 8.0(8S128d) Created: 2016-06-17T18:46:57.689600 Originated: 2016-06-17T00:00:00 Open Radar Link: http://www.openradar.me/26866797

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Modified: 2016-06-23T14:58:03.561450

[openradar-mirror]

Modified: 2016-06-23T14:58:03.561450

[openradar-mirror]

Modified: 2016-06-23T14:58:03.561450