Changed the admin insertion sql;
Fixed jquery referencing;
Updated ignore file;
Changed the authentication name of cookie;
Implemented the functionality of validation and insertion of users;
Implemented the functionality of register, login and logout of users;
Merge branch 'master' of https://github.com/julia-homa/Travel_business

Conflicts:
	TourBusiness/TourBusiness/Views/Shared/_Layout.cshtml
	TourBusiness/TourBusiness/Views/Shared/_LoginPartial.cshtml