RavenDB-2864 Studio : Query : Choose columns : style issue
RavenDB-2855 select correct web socket protocol (HTTPS/HTTP)

* also fix resources to use HTTPS protocol so that they load properly on both HTTPS and HTTP connections
Merge branch 'bugs/RavenDB-2855' of https://github.com/lahma/ravendb
Merge branch 'RavenDB_2864' of https://github.com/ml054/ravendb