Fix S3MultiSelectWidget in InlineComponents. Activate for all in LACRMT
Allow multiple maps per page (final piece).
MCOP: Enable embedded Create forms in Summary pages
CRMT: Enable embedded Create forms in Summary pages, fix CSS so that tabs
don't mask the create button
Move S3ResourceQuery + related classes into separate module, FS as global short name for S3FieldSelector (makes queries more readable), __typeof operator (1st part, untested)