Removed deleted loader import
Removed useless loaders
Realized user fields proxy objects in factory
Added createUserCommentListProxy
Fixed all errors in JdbcUserDAO
Added ReportComments proxy
Implemented all search methods in JdbcReportDAO
Added findUsersByEventId method in UserDAO interface
Implemented findUsersByEventId method in JdbcUserDAO
Added event reports, comments and visitors proxy list creators.
Implemented all search methods in JdbcEventDAO
Added Report fiald in Comment class
Created ProxyEvent and ProxyReport objects
Added report proxy object creator in factory
Implemented all search methods in JdbcCommentDAO