Added selenium-java dependency to Maven.
Added AnonymousWebTest class with first few web tests.
Updated AnonymousWebTest: added checking for absense onclick attribute on voting icons for anonymous; renamed variable
Added test for checking existing valid login page.
Added test for checking existing valid signup page.
Updated post.jsp - form for adding comment is shown for authenticated users only.
Added AbstractWebTest class to store similar behavior of different test classes.
AnonymousWebTest extends AbstractWebTest.
Added UserWebTest class with tests for features permitted to authenticated users. Added test for checking login form submitting.
Added test for checking voting icons for logged user.
Updated test for post voting icons - check if onclick attribute exists for inactive icons
Added test to check if comment voting icons disabled for anonymous users.
Added test for existing new comment form for logged users.
Fixed error in AnonymousWebTest.
Updated spring-security.xml to allow users delete own comments.
Added test to check if comment voting icons enabled for logged users.
Added test to check adding new comment
Added test to check deleting uses comment
Updated UserWebTest's test methods - set priority of login test to 1 and priority of other tests to 2.
Added test for header links existing.