add a global extractor enable/disable option to piler.conf

added compat storage layout

imap fixes

fixed typo in pilerpurge

fixed pilerpurge

purge log fix

purge archive size update fix

decreasing the archive size with the purge messages

initial commit using a very minimalistic db abstraction preparing to add postgresql support as well

preparing for database consolidation

added a tweak option to change the sent time piler stores

code cleanup and added server_id to the store path

introduced the server_id variable

redesigned the top storing directory structure

removed <?= php abbreviations

fixed minor typo in pilerpurge.c

pilerpurge fix