Authlib injector, local auth server and ely by accounts support (#31)

* Add injector

* Add uuid generation for profile

* Add auth server emulator

* Start auth server on random port and bypass it to injector

* Run injector only when account type is dummy

* Clean authlib injector

* Add ely by authentication

* Remove old comments

* Add response status text to auth server

* Fix json value access

as done by @maximmasterr

application/MultiMC.h

@@ -34,6 +34,7 @@ class BaseDetachedToolFactory;
 class TranslationsModel;
 class ITheme;
 class MCEditTool;
+class AuthServer;
 class GAnalytics;
 
 #if defined(MMC)
@@ -194,6 +195,7 @@ private:
     std::shared_ptr<GenericPageProvider> m_globalSettingsProvider;
     std::map<QString, std::unique_ptr<ITheme>> m_themes;
     std::unique_ptr<MCEditTool> m_mcedit;
+    std::shared_ptr<AuthServer> m_authserver;
 
     QMap<QString, std::shared_ptr<BaseProfilerFactory>> m_profilers;