Correct automatic module names

[wirew0rm]

Module names should not contain hyphens, so we cannot reuse our artifact
names. Instead introduce a new property which will be set in each
module.

fixes #321

[RalphSteinhagen]

👍 addresses issue #321

[codecov]

Codecov Report

Merging #323 (ae9e489) into master (a36e779) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #323      +/-   ##
============================================
- Coverage     51.59%   51.58%   -0.01%     
+ Complexity     7266     7265       -1     
============================================
  Files           393      393              
  Lines         41072    41072              
  Branches       6611     6611              
============================================
- Hits          21191    21189       -2     
- Misses        18375    18376       +1     
- Partials       1506     1507       +1     

Impacted Files	Coverage Δ	Complexity Δ
.../main/java/de/gsi/chart/axes/spi/AbstractAxis.java	76.41% <0.00%> (-0.30%)	183.00% <0.00%> (-1.00%)

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