Provide parameter names for RFC 7986 parameters

[rfc2822]

No description provided.

[codecov]

Codecov Report

Merging #414 into develop will increase coverage by 0.01%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop     #414      +/-   ##
=============================================
+ Coverage      68.10%   68.11%   +0.01%     
  Complexity      2030     2030              
=============================================
  Files            313      313              
  Lines           8684     8684              
  Branches        1251     1251              
=============================================
+ Hits            5914     5915       +1     
+ Misses          2342     2341       -1     
  Partials         428      428              

Impacted Files	Coverage Δ	Complexity Δ
.../main/java/net/fortuna/ical4j/model/Parameter.java	83.33% <ø> (ø)	8.00 <0.00> (ø)
...rc/main/java/net/fortuna/ical4j/model/WeekDay.java	81.81% <0.00%> (-1.02%)	39.00% <0.00%> (-1.00%)
src/main/java/net/fortuna/ical4j/model/Recur.java	76.23% <0.00%> (+0.44%)	115.00% <0.00%> (+1.00%)

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