Ensure double-newlines between summaries

[mrginglymus]

Fixes #79

[codecov]

Codecov Report

Merging #80 (cdf8afc) into master (3a2f4cd) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master      #80      +/-   ##
============================================
+ Coverage     86.92%   86.94%   +0.02%     
  Complexity      139      139              
============================================
  Files            16       16              
  Lines           627      628       +1     
  Branches         48       48              
============================================
+ Hits            545      546       +1     
  Misses           65       65              
  Partials         17       17              

Impacted Files	Coverage Δ	Complexity Δ
...s/plugins/checks/status/FlowExecutionAnalyzer.java	80.71% <100.00%> (+0.13%)	44.00 <0.00> (ø)

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