Add configurations files and solution files change

Add:
 - Web.config
 - Web.General.config
 -- Web.Release.config
 -- Web.Debug.config
 -- Web.UAT.config

Change:
 - WebApplication.Frontend.csproj
 - SummerSchool-WebApplication.sln
Add empty ASP.NET project
Add cliens hub class: ClientsHub.cs
Install SignalR
Change .gitignore
Add Global.asax
Change ClientsHub.cs
Add Index.html
Add Bootstrap
Link ClientsHub.cs, clientsHub.js and Index.thml
Change errors alert banner content
Add deploy script
Change  deploy script (git-deploy.bat)
Change deploy script

Delete .gitignore on CI servers build folder
Move Index.thml to root folder
Merge witn develop
Change project file after merge with develop
Change solution file after merge with develop
Change project file
Merge branch 'develop' into release