Added READMEs to Windows snapshots.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/branches/B2_5_Release@58526 65644016-39b1-43b1-bf79-96bc8fe82c15
Allow examples to be built without the running server.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/branches/B2_5_Release@58527 65644016-39b1-43b1-bf79-96bc8fe82c15