Updated test coverage, some small fixes to node server.
Relevant:
Digest:
- dialogs: Cleaned up some old scheme handling
- server-node: Updated environmental variable reading on startup
- server-node: Return promise on shutdown method
- server-node: Allow overriding VFS transports in certain methods
- server-node: Correction in User.hasGroup check
- server-node: Prevent exception in Settings::get() when no config set
- server-node: Updated some default promise rejections
- tests: Reverted a commit that commented out tests
- tests: Updated server tests
- tests: Better node server coverage