Improved drop database method to handle mysql databases.
Improved drop database method to handle mysql databases.

spatialdev/onadata,jomolinare/kobocat,ehealthafrica-ci/onadata,kobotoolbox/kobocat,hnjamba/onaclone,makinacorpus/formhub,smn/onadata,piqoni/onadata,wesley1001/formhub,mainakibui/kobocat,GeoODK/onadata,hnjamba/onaclone,awemulya/fieldsight-kobocat,GeoODK/formhub,hnjamba/onaclone,spatialdev/onadata,mainakibui/kobocat,GeoODK/formhub,sounay/flaminggo-test,sounay/flaminggo-test,smn/onadata,jomolinare/kobocat,ehealthafrica-ci/onadata,ehealthafrica-ci/formhub,wesley1001/formhub,hnjamba/onaclone,GeoODK/formhub,mainakibui/kobocat,SEL-Columbia/nmis,wesley1001/formhub,ehealthafrica-ci/formhub,ultimateprogramer/formhub,makinacorpus/formhub,kobotoolbox/kobocat,SEL-Columbia/nmis,spatialdev/onadata,GeoODK/onadata,sounay/flaminggo-test,SEL-Columbia/nmis,SEL-Columbia/formhub,eHealthAfrica/onadata,GeoODK/onadata,spatialdev/onadata,kobotoolbox/kobocat,eHealthAfrica/formhub,eHealthAfrica/formhub,mainakibui/kobocat,SEL-Columbia/nmis,SEL-Columbia/formhub,wesley1001/formhub,qlands/onadata,jomolinare/kobocat,ehealthafrica-ci/onadata,awemulya/fieldsight-kobocat,GeoODK/onadata,SEL-Columbia/formhub,qlands/onadata,makinacorpus/formhub,jomolinare/kobocat,qlands/onadata,ehealthafrica-ci/onadata,kobotoolbox/kobocat,makinacorpus/formhub,eHealthAfrica/formhub,ehealthafrica-ci/formhub,ultimateprogramer/formhub,SEL-Columbia/nmis,SEL-Columbia/nmis,ultimateprogramer/formhub,sounay/flaminggo-test,ultimateprogramer/formhub,piqoni/onadata,piqoni/onadata,piqoni/onadata,eHealthAfrica/formhub,eHealthAfrica/onadata,smn/onadata,awemulya/fieldsight-kobocat,smn/onadata,ehealthafrica-ci/formhub,eHealthAfrica/onadata,awemulya/fieldsight-kobocat,SEL-Columbia/formhub,qlands/onadata