nightly update

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/branches/B2_5_Release@57823 65644016-39b1-43b1-bf79-96bc8fe82c15
Fixed CORE-1604 (Error at database creation by user with non-ascii name) and CORE-3243 (CURRENT_USER and MON$USER don't work properly).

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/branches/B2_5_Release@57827 65644016-39b1-43b1-bf79-96bc8fe82c15