Better basic auth support

[osrf-migration]

Original report (archived issue) by Hugo Boyer (Bitbucket: hugomatic, GitHub: hugomatic).

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With the basic auth support in place, there are a few problems:

• users can't be managed from the GUI

A password and a confirm password textbox should be added to the ui when basic auth is used.

[osrf-migration]

Original comment by Hugo Boyer (Bitbucket: hugomatic, GitHub: hugomatic).

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• Edited issue description

[osrf-migration]

Original comment by Hugo Boyer (Bitbucket: hugomatic, GitHub: hugomatic).

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• changed state from "new" to "resolved"

in pull request 147