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The LICENSE file says everything is 3-clause BSD, which is what we want,
but at some point the Apache license was added to the top of some files
and that proliferated. This commit removes the Apache license from any
files that we own the copyright to.

Also updates the copyright year and removes the unnessary coding=utf-8
line.

A temperature value between 0.0 and 100.0 can now be specified via the API
while running the text generation server. The value passed to
--temperature while running the text generation server is kept as the
default value for all API calls that don't include temperature, even if
different values were manually specified previously.
Signed-Off-By: Robert Clark <roclark@nvidia.com>