Convert rule to other-permissive or create new license

[pombredanne]

See https://github.com/nexB/scancode-toolkit/blob/1c4d6bedd7bd40f21fbd9818db6e1864d0fe77b5/src/licensedcode/data/rules/free-unknown_2.RULE

This source code is freely redistributable and may be used for
any purpose.  This copyright notice must be maintained. 
Lance Norskog And Sundry Contributors are not responsible for 
the consequences of using this software.

This is not unknown. Alternatively this could be made a license of its own as this is frequent enough based on https://github.com/search?q="Lance+Norskog+And+Sundry+Contributors"&type=code

@DennisClark @AyanSinhaMahapatra

[DennisClark]

this could be made a license of its own. stay tuned.

[DennisClark]

@AyanSinhaMahapatra Please create a new license:

key: lance-norskog-license
name: Lance Norskog License
category: Permissive
Other URLs:
https://github.com/LanceNorskog
https://github.com/search?q=%22Lance+Norskog+And+Sundry+Contributors%22&type=code
text:
This source code is freely redistributable and may be used for
any purpose. This copyright notice must be maintained.
Lance Norskog And Sundry Contributors are not responsible for
the consequences of using this software.