added opendir() error handling
added 'contact reporter' in cache-report admin interface
fixed commit 9172e50
merged stable
savetyp check for illegal oc.pl waypoints
okapi wptype sanity check
updated db-changelog; truncated commit ids to usual 7-char format
Merge branch 'master' into stable
fixed image link in changelog
explained log date/time
enabled external tool extensions in adminreports interface
admins can log locked caches
merged master