Revise error codes for SQL module

Let's revise error codes in org.apache.ignite.lang.ErrorGroups.Sql

All codes should be understandable and actionable for user, otherwise it should be get rid.

Also let's try to do logical grouping within SQL codes, represented by constants, to have ability rapid lookup when need to find appropriate existing code. For example it could be divided for parsing, validation, execution parts - but it just a example