Support merging .uischema files

[chrimc62]

This adds to dialog:merge the ability to merge .uischema files to implement #852 .
To do this it walks-over the component (.csproj, package.json, .nuspec, nuget, packages.config) tree and builds a breadth-first parent before child order to use for when merging .uischema definitions. The uischema files are checked to ensure they are valid according to the uischema definition and to ensure that all properties are found in the schema. The result is a merged ui schema file per locale like [.locale].uischema.

It will also do an analysis and show errors in content files of:

1. Multiple of the same asset like (.lu, .lg, .qna, .schema, .uischema, .dialog) within a component.
2. Different components that define the same .schema file.

Also added the ability to infer the output file name from the first project.

NOTE: I did keep the ability to do .schema files directly as patterns. This is mainly for testing.

[tomlm]

[codecov-commenter]

Codecov Report

Merging #852 into master will increase coverage by 0.78%.
The diff coverage is 83.89%.

@@            Coverage Diff             @@
##           master     #852      +/-   ##
==========================================
+ Coverage   57.90%   58.69%   +0.78%     
==========================================
  Files         218      217       -1     
  Lines       15364    15619     +255     
  Branches     2060     2131      +71     
==========================================
+ Hits         8897     9167     +270     
+ Misses       5919     5884      -35     
- Partials      548      568      +20     

Impacted Files	Coverage Δ
packages/dialog/src/commands/dialog/merge.ts	0.00% <0.00%> (ø)
packages/dialog/src/library/schemaMerger.ts	79.40% <84.65%> (+5.10%)	⬆️
...kages/luis/src/commands/luis/application/create.ts	60.00% <0.00%> (-24.22%)	⬇️
...mathematics/confusion_matrix/AppConfusionMatrix.ts	6.66% <0.00%> (-22.32%)	⬇️
...rc/commands/luis/application/assignazureaccount.ts	80.00% <0.00%> (-20.00%)	⬇️
packages/lg/src/commands/lg/index.ts	66.66% <0.00%> (-16.67%)	⬇️
packages/qnamaker/src/commands/qnamaker/index.ts	66.66% <0.00%> (-16.67%)	⬇️
...ages/luis/src/commands/luis/application/publish.ts	85.71% <0.00%> (-14.29%)	⬇️
packages/luis/src/commands/luis/train/show.ts	89.47% <0.00%> (-10.53%)	⬇️
...ackages/luis/src/commands/luis/application/show.ts	89.47% <0.00%> (-10.53%)	⬇️
... and 65 more

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[munozemilio]

This should be outside the commands toc otherwise it will be deleted on the next documentation autogen

[chrimc62]

I did auto-gen and then restored things from the original. For example the slashes for code references are still the wrong way.

[munozemilio]

Some details you may want to take care before merge

[munozemilio]

Url wont work

[munozemilio]

url won t work