Provided support for both old and new debug info formats. It eliminates the annoying "bad debug info format" warning during restore as well as allows the migrated debug info to be useful without recreation of the PSQL objects.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58575 65644016-39b1-43b1-bf79-96bc8fe82c15
Improvement CORE-4206 - Add RESTART [WITH] clause for alter identity columns.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58578 65644016-39b1-43b1-bf79-96bc8fe82c15
Improvement CORE-4206 - Add RESTART [WITH] clause for alter identity columns - documentation.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58579 65644016-39b1-43b1-bf79-96bc8fe82c15