Changes prints to @info

[ValentinKaisermayer]

trafficstars

This should allow for more control of what is printed by the user.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.

Project coverage is 95.40%. Comparing base (b4df21a) to head (a9bd4d8). Report is 20 commits behind head on master.

Files with missing lines	Patch %	Lines
src/kmeans.jl	66.66%	1 Missing :warning:
src/kmedoids.jl	66.66%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #289      +/-   ##
==========================================
- Coverage   95.40%   95.40%   -0.01%     
==========================================
  Files          20       19       -1     
  Lines        1503     1500       -3     
==========================================
- Hits         1434     1431       -3     
  Misses         69       69              

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