Moved retrieving DatabaseInformation object process to a separate method
Made code a little more readable
Removed empty line
Fixed bug related with commit to the response after forwarding as well as changed relative path to the absolute one
All the functionality that relates to Tags is placed in TagsUtil class now
Redundant methods have been deleted
Added two more string constants which point out to the static resources
Two classes use now string constants instead of string expression
Done some refactor
If user points to the unknown blog post then she will be forwarded to the error page
Added additional check for null
Fixed retrieveTag method and added another check for null
Use valueOf instead of parseInt method
Merge branch 'develop'