- removed unnecessary specialization for changes api on the server and in the ui
- global usage for databases in shell.ts
- removed unnecessary specialization for changes api in the ui
- changes api for creating/deleting/disabling databases/filesystems/counter storages
Merge branch 'master' of https://github.com/ayende/ravendb into RavenDB-2430
Merge pull request #1048 from grisha-kotler/RavenDB-2430

RavenDB-2430 Remove unnecessary specialization for changes api in the ui