to pull
Merge branch 'master' of github.com:Faustyachka/nc_social_library_1
fix build bugs
Merge branch 'master' of github.com:Faustyachka/nc_social_library_1

Conflicts:
	Social_Library/Social_Library-war/src/java/model/authorization/SignIn.java
	Social_Library/Social_Library-war/src/java/model/registration/Registration.java
	Social_Library/Social_Library-war/src/java/sociallibrary/registration/ConfirmedRegistration.java
	Social_Library/Social_Library-war/src/java/sociallibrary/registration/RegistrationServlet.java