Document arrays of GenericParameters with XmlComments and support Overload methods

[jgarciadelanoceda]

It fixes an issue found while analyzing #2655

I am hesitant to fix the other issue found (When there are 2 methods on a Controller with the same number of parameters and the same name, because you will have to make assumptions here. The base class has to has the firstParameter as TResource and do not have more parameters.. Because I tried to do the following:

But it seems extremelly over complicated and I do not like it very much, the issue is that the XML only has the comments for the baseClass and when searching for the Method, SwashBuckle is searching by the Name, and the number of parameters inside the file MethodInfoExtensions

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 98.30508% with 1 line in your changes missing coverage. Please review.

Project coverage is 90.66%. Comparing base (3330982) to head (cfdd5e9).
Report is 330 commits behind head on master.

Files with missing lines	Patch %	Lines
...ore.SwaggerGen/XmlComments/MethodInfoExtensions.cs	98.24%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2982      +/-   ##
==========================================
+ Coverage   90.51%   90.66%   +0.14%     
==========================================
  Files          74       74              
  Lines        2890     2946      +56     
  Branches      455      468      +13     
==========================================
+ Hits         2616     2671      +55     
- Misses        274      275       +1     

Flag	Coverage Δ
Linux	90.66% <98.30%> (+0.14%)	⬆️
Windows	90.66% <98.30%> (+0.14%)	⬆️
macOS	90.66% <98.30%> (+0.14%)	⬆️

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[jgarciadelanoceda]

Finally I added support for Overload methods and test it with the IntegrationTests, need to fix them

[jgarciadelanoceda]

The requested test were created