Improve the rendering of the query explanation for Postgres
Improve the rendering of the query explanation for Postgres

Postgres does not return a table for the explanation but a list of lines
displaying the explanation in a formatted text.

javiereguiluz/DoctrineBundle,Soullivaneuh/DoctrineBundle,hacfi/DoctrineBundle,OskarStark/DoctrineBundle,OskarStark/DoctrineBundle,hason/DoctrineBundle,gencer/DoctrineBundle,doctrine/DoctrineBundle,chrisguitarguy/DoctrineBundle,nicolas-grekas/DoctrineBundle,javiereguiluz/DoctrineBundle,fabpot/DoctrineBundle,nicolas-grekas/DoctrineBundle,hacfi/DoctrineBundle,Soullivaneuh/DoctrineBundle,fabpot/DoctrineBundle,mikeSimonson/DoctrineBundle,skafandri/DoctrineBundle,fervo/DoctrineBundle,hason/DoctrineBundle,gencer/DoctrineBundle,chrisguitarguy/DoctrineBundle,skafandri/DoctrineBundle,mikeSimonson/DoctrineBundle,fervo/DoctrineBundle