make mysql and postgresql rebuild databases on every CI build, to prevent breakages such as collation and character set changing
make mysql and postgresql rebuild databases on every CI build, to prevent breakages such as collation and character set changing

Signed-off-by: Yehuda Katz <6cca45edf25d9f6c44ec8f2aa59ba63f92457e1b@gmail.com>

schuetzm/rails,fabianoleittes/rails,illacceptanything/illacceptanything,Envek/rails,alecspopa/rails,utilum/rails,mohitnatoo/rails,MSP-Greg/rails,betesh/rails,eileencodes/rails,yasslab/railsguides.jp,baerjam/rails,baerjam/rails,bradleypriest/rails,riseshia/railsguides.kr,georgeclaghorn/rails,MichaelSp/rails,riseshia/railsguides.kr,mohitnatoo/rails,rossta/rails,kaspth/rails,hanystudy/rails,xlymian/rails,vipulnsward/rails,amoody2108/TechForJustice,baerjam/rails,alecspopa/rails,elfassy/rails,palkan/rails,untidy-hair/rails,bolek/rails,MSP-Greg/rails,travisofthenorth/rails,yasslab/railsguides.jp,eileencodes/rails,gcourtemanche/rails,arunagw/rails,betesh/rails,Erol/rails,gfvcastro/rails,bolek/rails,EmmaB/rails-1,kmayer/rails,tgxworld/rails,fabianoleittes/rails,88rabbit/newRails,bradleypriest/rails,schuetzm/rails,travisofthenorth/rails,gcourtemanche/rails,travisofthenorth/rails,Spin42/rails,marklocklear/rails,Vasfed/rails,kachick/rails,kmayer/rails,stefanmb/rails,illacceptanything/illacceptanything,pvalena/rails,tijwelch/rails,gcourtemanche/rails,yalab/rails,utilum/rails,ledestin/rails,mtsmfm/rails,Vasfed/rails,gavingmiller/rails,vassilevsky/rails,tjschuck/rails,MSP-Greg/rails,EmmaB/rails-1,stefanmb/rails,iainbeeston/rails,aditya-kapoor/rails,deraru/rails,arunagw/rails,richseviora/rails,mathieujobin/reduced-rails-for-travis,illacceptanything/illacceptanything,samphilipd/rails,yawboakye/rails,riseshia/railsguides.kr,matrinox/rails,arjes/rails,ngpestelos/rails,arjes/rails,kaspth/rails,printercu/rails,ledestin/rails,gavingmiller/rails,kirs/rails-1,amoody2108/TechForJustice,88rabbit/newRails,illacceptanything/illacceptanything,untidy-hair/rails,prathamesh-sonpatki/rails,kmcphillips/rails,yhirano55/rails,samphilipd/rails,koic/rails,vassilevsky/rails,georgeclaghorn/rails,yahonda/rails,untidy-hair/rails,notapatch/rails,voray/rails,Stellenticket/rails,yalab/rails,rossta/rails,bolek/rails,bogdanvlviv/rails,lcreid/rails,BlakeWilliams/rails,tijwelch/rails,samphilipd/rails,yhirano55/rails,bogdanvlviv/rails,travisofthenorth/rails,kaspth/rails,coreyward/rails,gauravtiwari/rails,BlakeWilliams/rails,gauravtiwari/rails,yasslab/railsguides.jp,elfassy/rails,hanystudy/rails,ttanimichi/rails,rbhitchcock/rails,odedniv/rails,rafaelfranca/omg-rails,repinel/rails,Edouard-chin/rails,mtsmfm/rails,mtsmfm/rails,ngpestelos/rails,odedniv/rails,Sen-Zhang/rails,kachick/rails,utilum/rails,vassilevsky/rails,kmcphillips/rails,MSP-Greg/rails,felipecvo/rails,printercu/rails,elfassy/rails,esparta/rails,ledestin/rails,BlakeWilliams/rails,notapatch/rails,amoody2108/TechForJustice,stefanmb/rails,betesh/rails,rails/rails,kenta-s/rails,BlakeWilliams/rails,kddeisz/rails,shioyama/rails,lcreid/rails,illacceptanything/illacceptanything,kamipo/rails,Edouard-chin/rails,mathieujobin/reduced-rails-for-travis,MichaelSp/rails,maicher/rails,jeremy/rails,esparta/rails,assain/rails,utilum/rails,shioyama/rails,matrinox/rails,assain/rails,kirs/rails-1,iainbeeston/rails,yahonda/rails,prathamesh-sonpatki/rails,esparta/rails,kddeisz/rails,coreyward/rails,yhirano55/rails,brchristian/rails,assain/rails,mechanicles/rails,flanger001/rails,mohitnatoo/rails,rafaelfranca/omg-rails,notapatch/rails,illacceptanything/illacceptanything,bogdanvlviv/rails,Envek/rails,Sen-Zhang/rails,lucasmazza/rails,iainbeeston/rails,sergey-alekseev/rails,printercu/rails,mathieujobin/reduced-rails-for-travis,deraru/rails,alecspopa/rails,sealocal/rails,kddeisz/rails,bradleypriest/rails,kddeisz/rails,jeremy/rails,kmcphillips/rails,Erol/rails,voray/rails,coreyward/rails,shioyama/rails,illacceptanything/illacceptanything,deraru/rails,pschambacher/rails,yalab/rails,illacceptanything/illacceptanything,hanystudy/rails,joonyou/rails,georgeclaghorn/rails,jeremy/rails,joonyou/rails,maicher/rails,lucasmazza/rails,ttanimichi/rails,flanger001/rails,repinel/rails,Vasfed/rails,aditya-kapoor/rails,baerjam/rails,riseshia/railsguides.kr,vipulnsward/rails,arunagw/rails,yawboakye/rails,tjschuck/rails,marklocklear/rails,richseviora/rails,yalab/rails,pschambacher/rails,odedniv/rails,Erol/rails,gfvcastro/rails,palkan/rails,prathamesh-sonpatki/rails,aditya-kapoor/rails,pvalena/rails,felipecvo/rails,arunagw/rails,pvalena/rails,Spin42/rails,brchristian/rails,repinel/rails,xlymian/rails,ttanimichi/rails,vipulnsward/rails,illacceptanything/illacceptanything,palkan/rails,mtsmfm/railstest,matrinox/rails,pvalena/rails,kachick/rails,yahonda/rails,marklocklear/rails,fabianoleittes/rails,Edouard-chin/rails,kmcphillips/rails,deraru/rails,joonyou/rails,illacceptanything/illacceptanything,voray/rails,Stellenticket/rails,mtsmfm/railstest,starknx/rails,mijoharas/rails,kirs/rails-1,tjschuck/rails,joonyou/rails,tijwelch/rails,Sen-Zhang/rails,rbhitchcock/rails,Envek/rails,kamipo/rails,rossta/rails,printercu/rails,mtsmfm/railstest,Envek/rails,rafaelfranca/omg-rails,rbhitchcock/rails,tgxworld/rails,mijoharas/rails,felipecvo/rails,xlymian/rails,sergey-alekseev/rails,eileencodes/rails,arjes/rails,mechanicles/rails,richseviora/rails,maicher/rails,Erol/rails,sergey-alekseev/rails,rails/rails,bogdanvlviv/rails,starknx/rails,koic/rails,tgxworld/rails,illacceptanything/illacceptanything,kenta-s/rails,EmmaB/rails-1,gauravtiwari/rails,pschambacher/rails,iainbeeston/rails,mijoharas/rails,gfvcastro/rails,jeremy/rails,lucasmazza/rails,shioyama/rails,kamipo/rails,Vasfed/rails,mechanicles/rails,illacceptanything/illacceptanything,palkan/rails,Spin42/rails,gavingmiller/rails,fabianoleittes/rails,sealocal/rails,lcreid/rails,yhirano55/rails,repinel/rails,prathamesh-sonpatki/rails,lcreid/rails,Stellenticket/rails,illacceptanything/illacceptanything,88rabbit/newRails,rails/rails,illacceptanything/illacceptanything,sealocal/rails,eileencodes/rails,esparta/rails,yahonda/rails,mohitnatoo/rails,flanger001/rails,rails/rails,MichaelSp/rails,notapatch/rails,yasslab/railsguides.jp,brchristian/rails,gfvcastro/rails,georgeclaghorn/rails,tjschuck/rails,Edouard-chin/rails,illacceptanything/illacceptanything,schuetzm/rails,assain/rails,vipulnsward/rails,kmayer/rails,koic/rails,yawboakye/rails,tgxworld/rails,ngpestelos/rails,kenta-s/rails,starknx/rails,aditya-kapoor/rails,Stellenticket/rails,yawboakye/rails,mechanicles/rails,flanger001/rails,schuetzm/rails,betesh/rails,untidy-hair/rails