* Breakout rest of the enums from dcommonvars
so we don't have to deal with merge conflicts
ePlayerFlags is not a scoped enum, yet, due to it's complexity
* address feedback
* make player flag types consistent
* fix typo
* breakout gmlevel enum and make it a class
tested that things still work
slash command,
chat restrictions,
packets and serializations
* fix GM level for some slash commands
* fix new use of this enum
