* Fix some memory leaks
 * Add a location for packages to drop module configs
 * Documentation updates and fixes
 * Add command line tool manual page
 * Remove unused err() function and friends
 * Move more code into common/ directory and refactor
 * Add a system trust policy module
 * Refactor how the p11-kit command line tool works
 * Add p11-kit extract and extract-trust commands
 * Don't complain if we cannot access ~/.pkcs11/pkcs11.conf
 * Refuse to load the p11-kit-proxy.so as a registered module
 * Don't fail initialization if last initialized module fails