Create the external database user with a stored procedure
Create the external database user with a stored procedure

Using a stored procedure allows us to check if the external database user exists before we attempt to create it. This in turn avoids a red error from coming up during the `vagrant up` process.

zaantar/vov,tpkemme/TVV,cristovaov/VVV,rpkoller/VVV,digitalmediaproduction/JAMAVagrant,taupecat/VVV,tttanaka/VVV,cristovaov/VVV,peterblazejewicz/vvv-custom,ericandrewlewis/VVV,saucal/VVV,rooftopcms/VVV,n2linux/VVV,nexusthemes/VVV,miya0001/VVV,TobiasBg/Varying-Vagrant-Vagrants,taupecat/VVV,taupecat/VVV,zaantar/vov,ericmann/VVV,killa-kyle/vvv,cfoellmann/VVV,miya0001/VVV,speartail/VVV,tpkemme/TVV,jjogle/VVV,tttanaka/VVV,tu-software-studio/VVV,BlakeRxxk/VVV,westi/varying-vagrant-vagrants,clreed87/VVV,bitclaw/VVV,cfoellmann/VVV,startsiden/lokalhero-wordpress-vagrant,commana/moodle-vagrant,ezekg/VVV,DrewAPicture/varying-vagrant-vagrants,mattbanks/VVV,thatmitchcanter/VVV-Lite,jjeaton/VVV,digitalmediaproduction/JAMAVagrant,lkwdwrd/varying-vagrant-vagrants,BlakeRxxk/VVV,salcode/VVV,startsiden/lokalhero-wordpress-vagrant,morganestes/VVV,patrickheeney/VVV,EHLOVader/VVV,ezekg/theme-juice-vvv,primozcankar/VVV,tu-software-studio/VVV,westi/varying-vagrant-vagrants,morganestes/VVV,speartail/VVV,clreed87/VVV,grantnorwood/VVV,iparr/VVV,Haimanot1989/vvv-at-senitel,tpkemme/TVV,Varying-Vagrant-Vagrants/VVV,thatmitchcanter/VVV-Lite,trepmal/varying-vagrant-vagrants,tu-software-studio/VVV,AngeIII/VVV-Simplified,jjogle/VVV,saucal/VVV,mattbanks/VVV,tpkemme/TVV,peterblazejewicz/vvv-custom,ryandury/VVV,EHLOVader/VVV,writecodedrinkcoffee/VVV,bitclaw/VVV,hellquist/vvv,tu-software-studio/VVV,trepmal/varying-vagrant-vagrants,mikesprague/VVV,salcode/VVV,jcgsville/iProcrastinated,DrewAPicture/varying-vagrant-vagrants,AngeIII/VVV-Simplified,lkwdwrd/varying-vagrant-vagrants,enriquezm/VVV,AngeIII/VVV-Simplified,ezekg/VVV,mattbanks/VVV,TobiasBg/Varying-Vagrant-Vagrants,ericandrewlewis/VVV,rogeruiz/VVV,harvestweb/VVV,killa-kyle/vvv,mikesprague/VVV,grantnorwood/VVV,ryandury/VVV,morganestes/VVV,Varying-Vagrant-Vagrants/VVV,writecodedrinkcoffee/VVV,harvestweb/VVV,namminammi/VVV,ezekg/theme-juice-vvv,rpkoller/VVV,WybrenKoelmans/VVV,erikjoling/VVV,iparr/VVV,usminteractive/VVV,evelynriossf/VVV-MultiMachine,tim-steele/VVV,AngeIII/VVV-Simplified,AngeIII/VVV-Simplified,primozcankar/VVV,tomjn/varying-vagrant-vagrants,namminammi/VVV,Haimanot1989/vvv-at-senitel,usminteractive/VVV,erikjoling/VVV,ericmann/VVV,tomjn/varying-vagrant-vagrants,hellquist/vvv,evelynriossf/VVV-MultiMachine,WybrenKoelmans/VVV,startsiden/lokalhero-wordpress-vagrant,n2linux/VVV,tim-steele/VVV,jcgsville/iProcrastinated,patrickheeney/VVV,rooftopcms/VVV,rogeruiz/VVV,Varying-Vagrant-Vagrants/VVV,commana/moodle-vagrant,designreuse/VVV,thatmitchcanter/VVV-Lite,nexusthemes/VVV,saucal/VVV,designreuse/VVV,taupecat/VVV,enriquezm/VVV,startsiden/lokalhero-wordpress-vagrant,jjeaton/VVV