Add HttpRecognizer

[xieofxie]

Some todos..

[coveralls]

Pull Request Test Coverage Report for Build 94522

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1773 unchanged lines in 241 files lost coverage.
• Overall coverage decreased (-0.5%) to 73.66%

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Files with Coverage Reduction	New Missed Lines	%
/libraries/Adapters/Microsoft.Bot.Builder.Adapters.Facebook/FacebookAdapter.cs	1	94.85%
/libraries/Adapters/Microsoft.Bot.Builder.Adapters.Facebook/FacebookAdapterOptions.cs	1	86.67%
/libraries/integration/Microsoft.Bot.Builder.Integration.ApplicationInsights.Core/ApplicationBuilderExtensions.cs	1	71.43%
/libraries/Microsoft.Bot.Builder.AI.LUIS/LuisApplication.cs	1	96.36%
/libraries/Microsoft.Bot.Builder.AI.LUIS/V3/LuisApplication.cs	1	96.43%
/libraries/Microsoft.Bot.Builder.AI.LUIS/V3/LuisUtil.cs	1	96.35%
/libraries/Microsoft.Bot.Builder/BotStateSet.cs	1	85.0%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/BaseInvokeDialog.cs	1	87.5%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/Case.cs	1	84.62%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/EditActions.cs	1	93.75%

Totals
Change from base Build 94519:	-0.5%
Covered Lines:	21197
Relevant Lines:	28777

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💛 - Coveralls