Add db_query_run() to get rid of some redundancy in db.c
Add DAAP cache backend
Make DAAP cache use and location configurable
Allow const char tags and handle null requests in dmap_common
Experimental caching of playlist 1
Some more daap cache triggers
More DAAP cache adjustments
Include DAAP queries from Retune and TunesRemote+ for caching
+ misc fixing up
Adjust daapcache so it serves User-Agent to httpd_daap's reply handlers
Add slow DAAP queries to cache automatically
Save response times in DB and show in log (for debugging)
Add some libevent 1 compability
Add quick guide to forked-daapd.conf
Fix memleak in DAAP cache
Adds a DAAP cache to improve performance and fix timeouts (issue #50)