trim the build size by removing uneccesary files before / during the tar
trim the build size by removing uneccesary files before / during the tar

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