ci-build: easy source/license archives + formatting
ci-build: easy source/license archives + formatting

Add 3 new script environment variables to more easily support creation
of source archives and licese information.

Some reformatting to avoid messy escaped quotes was also done in the
same commit.

Signed-off-by: Gunnar Andersson <df6c1dc70ee3404c16d7de0a5a8d978b44fa18d4@genivi.org>

GENIVI/genivi-dev-platform,gunnarx/genivi-dev-platform,gunnarx/genivi-dev-platform,chbae/genivi-dev-platform,chbae/genivi-dev-platform,GENIVI/genivi-dev-platform,gunnarx/genivi-dev-platform,chbae/genivi-dev-platform,GENIVI/genivi-dev-platform,GENIVI/genivi-dev-platform,chbae/genivi-dev-platform,gunnarx/genivi-dev-platform