update travisCi config file to minimize test environment
update travisCi config file to minimize test environment

AliHichem/AliDatatableBundle,webkod3r/AliDatatableBundle,waldo2188/DatatableBundle,zgoniaiko/AliDatatableBundle,vouchedfor/AliDatatableBundle,vouchedfor/AliDatatableBundle,kuldipem/AliDatatableBundle,zgoniaiko/AliDatatableBundle,AliHichem/AliDatatableBundle,webkod3r/AliDatatableBundle,waldo2188/DatatableBundle,kuldipem/AliDatatableBundle