* initial import of mu - the next generation
* mu-store-xapian: remove the 'tune' function
* added TODO file
* mu-store-xapian: remove the UNLIKELY stuff, which unlikely to help
* mu-store-xapian: cosmetic
* mu-index: use option group for options, add public function
* use the mu-index option group; rationalize option parsing, usage message
* mu-query: remove some unsupported options
* mu-msg-fields.c, mu-store-xapian.cc: cosmetics
* overhaul the configuration system (part 1)
* add mu-config.[ch]
* updated TODO list
* mu-store-xapian: fix indexing of body contents
* mu-msg-fields: don't store prio, size in Xapian
* remove the '--print' option; it's implicit
* mu-path: set max size for mail files to 15000000 bytes
* mu-config, mu-query: clear up sortfield handling
* mu, mu-config: add --version, prepare logging support
* mu-query: cosmetics
* TODO: updated