Fixes bug 869271 Adds role creation to setupdb_app.py
Fixes bug 869271 Adds role creation to setupdb_app.py

* Add default_password config option
* Add function create_roles()

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