In removeOlderThan(...), truncate walk as soon as the prefix is younger or equal to timestamp. Add debug logging mentioning the actual removed ooid
In removeOlderThan(...), truncate walk as soon as the prefix is younger or equal to timestamp. Add debug logging mentioning the actual removed ooid

git-svn-id: 0429bb2eb6f71f8cd87fe9410a915008a087abca@718 efcc4bdc-162a-0410-a8af-5b4b46c5376d

AdrianGaudebert/socorro,cliqz/socorro,AdrianGaudebert/socorro,pcabido/socorro,mozilla/socorro,spthaolt/socorro,rhelmer/socorro,Serg09/socorro,adngdb/socorro,linearregression/socorro,mozilla/socorro,cliqz/socorro,mozilla/socorro,yglazko/socorro,luser/socorro,mozilla/socorro,adngdb/socorro,luser/socorro,luser/socorro,spthaolt/socorro,twobraids/socorro,spthaolt/socorro,KaiRo-at/socorro,linearregression/socorro,twobraids/socorro,Tchanders/socorro,lonnen/socorro,rhelmer/socorro,luser/socorro,m8ttyB/socorro,spthaolt/socorro,lonnen/socorro,luser/socorro,AdrianGaudebert/socorro,Tayamarn/socorro,spthaolt/socorro,cliqz/socorro,yglazko/socorro,Serg09/socorro,rhelmer/socorro,linearregression/socorro,pcabido/socorro,bsmedberg/socorro,rhelmer/socorro,lonnen/socorro,KaiRo-at/socorro,AdrianGaudebert/socorro,Tchanders/socorro,Tchanders/socorro,mozilla/socorro,bsmedberg/socorro,AdrianGaudebert/socorro,yglazko/socorro,twobraids/socorro,twobraids/socorro,yglazko/socorro,pcabido/socorro,luser/socorro,Tayamarn/socorro,yglazko/socorro,twobraids/socorro,KaiRo-at/socorro,m8ttyB/socorro,lonnen/socorro,m8ttyB/socorro,Tayamarn/socorro,spthaolt/socorro,adngdb/socorro,rhelmer/socorro,pcabido/socorro,Serg09/socorro,adngdb/socorro,bsmedberg/socorro,Serg09/socorro,cliqz/socorro,Tayamarn/socorro,bsmedberg/socorro,pcabido/socorro,pcabido/socorro,KaiRo-at/socorro,Tchanders/socorro,rhelmer/socorro,Tchanders/socorro,linearregression/socorro,adngdb/socorro,Tayamarn/socorro,Tayamarn/socorro,yglazko/socorro,mozilla/socorro,Serg09/socorro,Tchanders/socorro,linearregression/socorro,cliqz/socorro,cliqz/socorro,bsmedberg/socorro,m8ttyB/socorro,adngdb/socorro,AdrianGaudebert/socorro,m8ttyB/socorro,linearregression/socorro,twobraids/socorro,KaiRo-at/socorro,m8ttyB/socorro,KaiRo-at/socorro,Serg09/socorro