super pillowtop and global preindexing command for making life easier
updating fabfile to simplify flip aliases, and call preindex_everything
updating reindexing commands to give more info
reducing chunk for preindex, adding a dict for readability for mapping all the reindex jobs for pillows
fail hard on misconfigured pillows before greenlets start.
Merge pull request #366 from dimagi/super_preindex

super pillowtop and global preindexing command for making life easier