fix travis configuration
fix travis configuration

ebfe/libmill,reqshark/libmill,ebfe/libmill,nirs/libmill,linearregression/libmill,sustrik/libmill,linearregression/libmill,nirs/libmill,lsm/libmill,dailypips/libmill,jimjag/mill,jimjag/mill,dailypips/libmill,sustrik/libmill,ebfe/libmill,8l/libmill,reqshark/libmill,reqshark/libmill,dailypips/libmill,8l/libmill,sustrik/libmill,lsm/libmill,linearregression/libmill,lsm/libmill,jimjag/mill