List of all symbols - quick & dirty
SyncApiWrapper now a singleton
loading tick data
mahapps update
Password now stored in memory as SecureString
files initially marked as untracked added (nuget pckgs, stylecop)
reactive ui reference added; loginviewmodel inherits from reactiveobject and has reactivecommands; login button disabled when password or user name empty
command exewcution with retry
SymbolViewModel switched to ReactiveObject; busy indicator while loading tick data