Adding action for processing forms
Adding wordbook page.
Changing tabs to spaces in all source code.
Merge branch 'master' of
https://github.com/paulenka-aleh/wordbook-struts.git

Conflicts:
	src/main/java/paulenka/aleh/wordbook/action/user/EditUserAction.java
	src/main/java/paulenka/aleh/wordbook/action/user/ListUserAction.java
	src/main/java/paulenka/aleh/wordbook/action/user/LoginUserAction.java
	src/main/java/paulenka/aleh/wordbook/action/user/LogoutUserAction.java
	src/main/java/paulenka/aleh/wordbook/action/user/RegisterUserAction.java
	src/main/java/paulenka/aleh/wordbook/constant/HttpRequestMethod.java
	src/main/java/paulenka/aleh/wordbook/constant/SessionAttribute.java
	src/main/java/paulenka/aleh/wordbook/dao/UserDao.java
	src/main/java/paulenka/aleh/wordbook/interceptor/back/BackInterceptor.java
	src/main/java/paulenka/aleh/wordbook/interceptor/security/AuthenticationInterceptor.java
	src/main/java/paulenka/aleh/wordbook/interceptor/security/AuthorizationInterceptor.java