add improvements from BU Travis buildfile, might help to pass 32-bit+dash build
add improvements from BU Travis buildfile, might help to pass 32-bit+dash build

BTCfork/hardfork_prototype_1_mvf-core,BTCfork/hardfork_prototype_1_mvf-core,BTCfork/hardfork_prototype_1_mvf-core,BTCfork/hardfork_prototype_1_mvf-core,BTCfork/hardfork_prototype_1_mvf-core,BTCfork/hardfork_prototype_1_mvf-core