Updated samples to bit 7.5

Updated samples to bit 7.4.0

Updated nuget packages

Updated samples to bit 7.1

Merge pull request bitfoundation#235 from mirza-developer/develop

Add child content support This closes bitfoundation#232

Updated samples to bit 6.8.7

Fixed several issues related to memory leak in automated tests

Added link to blazor article

asp.net 5 endpoint routing sample

Updated to bit 6.8