fixes #1661
removed using directives added while testing individual objectbuilders
Test that show issue #1827
remove some redundancies
fix conflict
Merge branch 'thirkcircus-fix_issue1661' into develop
remove redundant code from receiving test
disable some errors

since the class is obsolete
more legacy code
more redundant code
mark ConfigureJsonSerializer as obsolete
split out unicast obsolete methods
remove redundant code from hosting tests
redundant field
flags not used in stub
redundant code from fake bus
Merge pull request #1829 from rosieks/issue_1827

Test that show issue #1827
make failing test explicit
suppress obsolete param
remove redundant extension methods