add comment about using template1 database if dbname parameter is not set
add comment about using template1 database if dbname parameter is not set

stchr/dbal,stof/dbal,helicon-os/doctrine-dbal,stchr/dbal,shivergard/dbal,lcobucci/dbal,v-bartusevicius/dbal,v-bartusevicius/dbal,AlexDpy/dbal,Tobion/dbal,bspeterson/dbal,deeky666/dbal,nfrignani/dbal,gencer/dbal,bspeterson/dbal,vutung2311/dbal,tk-s/dbal,mRoca/dbal,lcobucci/dbal,mikeSimonson/dbal,nfrignani/dbal,vutung2311/dbal,kimhemsoe/dbal,mathroc/dbal,BenMorel/dbal,doctrine/dbal,shivergard/dbal,lafourchette/dbal,stof/dbal,vortgo/dbal,wuxu92/dbal,DHager/dbal,doctrine/dbal,drieschel/dbal,DHager/dbal,janschoenherr/dbal,janschoenherr/dbal,gencer/dbal,wuxu92/dbal,helicon-os/doctrine-dbal,vortgo/dbal,zeroedin-bill/dbal,mRoca/dbal,BenMorel/dbal,deeky666/dbal,kimhemsoe/dbal,drieschel/dbal,AlexDpy/dbal,zeroedin-bill/dbal,tk-s/dbal,mikeSimonson/dbal,mathroc/dbal,lafourchette/dbal,Tobion/dbal