Vulnerability fix

[hariharansrc]

• Merging master commits to develop
• Upgrading akka version

[hariharansrc]

@bhermann Enable codacy for develop branch.

[codecov-io]

Codecov Report

Merging #33 into develop will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           develop   #33   +/-   ##
=====================================
  Coverage        0%    0%           
=====================================
  Files           10    10           
  Lines          199   199           
  Branches        10     8    -2     
=====================================
  Misses         199   199

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