LICENSE: add info about SPDX-License-Identifier usage and use it

Signed-off-by: Roger Meier <roger@bufferoverflow.ch>
Merge pull request #439 from bufferoverflow/spdx2

LICENSE: add info about SPDX-License-Identifier usage and use it
mysql test db autocreate
restore SPDX license
restore id and add tested DB version
GH #440 MongoDB ObjectId string formatting
GH #440 changed default string format
Use correct prefix length field of Windows IP_ADAPTER_PREFIX structure
Merge pull request #442 from cryptoknight/develop

Use correct prefix length field of Windows IP_ADAPTER_PREFIX structure
GH #328: NetworkInterface on Windows XP
fix XP SP1 build number
fix VS90 NetworkInterface build

fix VS90 NetworkInterface build
VS90 64-bit build fix

VS90 64-bit build fix
VS 2003 Foundation build fix

__byteswap* should be available on VS2003 but linker can't seem to find
it; falling back to old code on VS2003
Attempt to reproduce GH #261 (select into BLOB; the value of all BLOB records are same.)
GH #154 Add support for MYSQL_TYPE_NEWDECIMAL

GH #154 Add support for MYSQL_TYPE_NEWDECIMAL to Poco::Data::MySQL
SecureSMTPClientSession bugfix: save hostname for cert validation
cleared some 64-bit warnings and test failures
Merge branch 'develop' of https://github.com/pocoproject/poco into develop
make NetworkInterface compile on WEC2013 again