Implement option to turn config property deprecation warnings as errors

[arturbosch]

Closes #2545

[codecov]

Codecov Report

Merging #3026 into master will increase coverage by 0.01%.
The diff coverage is 87.50%.

@@             Coverage Diff              @@
##             master    #3026      +/-   ##
============================================
+ Coverage     79.15%   79.16%   +0.01%     
  Complexity     2543     2543              
============================================
  Files           434      434              
  Lines          7714     7728      +14     
  Branches       1465     1466       +1     
============================================
+ Hits           6106     6118      +12     
- Misses          822      824       +2     
  Partials        786      786              

Impacted Files	Coverage Δ	Complexity Δ
...ekt/generator/printer/rulesetpage/ConfigPrinter.kt	76.08% <ø> (ø)	9.00 <0.00> (ø)
...ch/detekt/api/internal/ValidatableConfiguration.kt	96.87% <87.50%> (-3.13%)	0.00 <0.00> (ø)

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