Migrate interactive importer to fast_select
Make ReqVirtualFields and HRMTrainingVirtualFields lazy.
Fix virtual field filtering: can't use Rows.__getslice__() as it uses compact=True (web2py deliberate design or bug?)
Merge branch 'master' of git://github.com/flavour/eden
Merge branch 'master' of git://github.com/flavour/eden
Merge branch 'master' of git://github.com/flavour/ifrc