[maven-release-plugin] prepare release v0.0.3-alpha
[maven-release-plugin] prepare release v0.0.3-alpha

PebbleTemplates/pebble,jcarvalho/pebble,samlanning/pebble,mbosecke/pebble,dotneet/pebble,PebbleTemplates/pebble,chambas/pebble,ebussieres/pebble,DanStout/pebble,hectorlf/pebble