src/warning.svg:
    Imported on July 11, 2016.

    Author: user:Penubag / Wikimedia Commons / Public Domain

    Downloaded from:
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    License statement:
    https://commons.wikimedia.org/wiki/File:Ambox_warning_yellow.svg

    This work has been released into the public domain by its author, penubag.
    This applies worldwide.

    In some countries this may not be legally possible; if so:

    penubag grants anyone the right to use this work for any purpose, without
    any conditions, unless such conditions are required by law.

src/error.svg:
    Imported on July 11, 2016.

    Author: user:Penubag / Wikimedia Commons / Public Domain

    Downloaded from:
    https://upload.wikimedia.org/wikipedia/commons/1/15/Ambox_warning_pn.svg

    License statement:
    https://commons.wikimedia.org/wiki/File:Ambox_warning_pn.svg

    I, the copyright holder of this work, release this work into the public
    domain. This applies worldwide.

    In some countries this may not be legally possible; if so:

    I grant anyone the right to use this work for any purpose, without any
    conditions, unless such conditions are required by law.
