Allow running the DB2 specs with the connection string specified via an environment variable
Allow running the DB2 specs with the connection string specified via an environment variable

pfarrell/sequel,mpalmer/sequel,knut2/sequel,seeARMS/sequel,yazshel/sequel,Marketcircle/sequel,mpalmer/sequel,davidbegin/sequel,uhoh-itsmaciek/sequel,nicohvi/sequel,offshore-safety/sequel,beni55/sequel,beni55/sequel,bigfix/sequel,seeARMS/sequel,freshpay/sequel,t-morgan/sequel,t-morgan/sequel,nicohvi/sequel,nju520/sequel,gferguson-gd/sequel,uhoh-itsmaciek/sequel,nju520/sequel,freshpay/sequel,chef/sequel,reubano/sequel,offshore-safety/sequel,knut2/sequel,dennis-d/custom_sequel,dennis-d/custom_sequel,pfarrell/sequel,davidbegin/sequel,gferguson-gd/sequel,yazshel/sequel,reubano/sequel,offshore-safety/sequel