* refactoring result codes
- Add a main enum who can handle some orphalin result codes and the default `ResultCode.Success` one.
- Add sub-enum by services when it's needed.
- Remove some empty line.
- Recast all service calls to ResultCode.
- Remove some unneeded static declaration.
- Delete unused `NvHelper` class.
* NvResult is back
* Fix
* Refactoring commands handling
- Use Reflection to handle commands ID.
- Add all symbols (from SwIPC so not all time accurate).
- Re-sort some services commands methods.
- Some cleanup.
- Keep some empty constructor for consistency.
* Fix order in IProfile
* IPC services refactoring
- Use custom Attributes to handle services.
- Add a way to set the permissions and fix the bsd service to use it.
- Little cleanup.
- C#7.1 is required.
* fix var name
* fix syntax
* Change Permission to Parameter
* Delete BsdServicePermissionLevel.cs
* Fix Linq
* It compiles
* Print correct name when loading an exefs
* Use DirectorySaveDataFileSystem for savedata
* Handle more errors in IFileSystem
* Remove structs replaced by LibHac structs
* Fix alignment
* Fix alignment again
* Fix IFile and IFileSystem IPC
* Alignment
* Use released libhac version
* Implement contentmanager and related services
* small changes
* read system firmware version from nand
* add pfs support, write directoryentry info for romfs files
* add file check in fsp-srv:8
* add support for open fs of internal files
* fix filename when accessing pfs
* use switch style paths for contentpath
* close nca after verifying type
* removed publishing profiles, align directory entry
* fix style
* lots of style fixes
* yasf(yet another style fix)
* yasf(yet another style fix) plus symbols
* enforce path check on every fs access
* change enum type to default
* fix typo
