NOISSUE - Convert Docker Project Name to Lowercase

[rodneyosodo]

What does this do?

Converts docker project name to lowercase in case the branch is in uppercase since most of our branches are MF- which is uppercase

Which issue(s) does this PR fix/relate to?

No issue

List any changes that modify/break current functionality

None

Have you included tests for your changes?

Yes

Did you document any new/modified functionality?

No

Notes

• Naming convention of mainflux branches https://github.com/mainflux/mainflux/blob/master/CONTRIBUTING.md
• Project name specifications https://docs.docker.com/compose/reference/#use--p-to-specify-a-project-name

[codecov]

Codecov Report

Merging #1894 (45bf35d) into master (0525a9a) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1894   +/-   ##
=======================================
  Coverage   67.15%   67.15%           
=======================================
  Files         118      118           
  Lines        9074     9074           
=======================================
  Hits         6094     6094           
  Misses       2351     2351           
  Partials      629      629           

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[drasko]

LGTM