Update travis script and add build icon to README

Jan Breuer

2015-08-27 0c7f101ad0e43c33e8dd1b53f6f6746652236b63

 examples/common/scpi-def.h

@@ -9,7 +9,6 @@
int SCPI_Error(scpi_t * context, int_fast16_t err);
scpi_result_t SCPI_Control(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val);
scpi_result_t SCPI_Reset(scpi_t * context);
int32_t SCPI_Test(scpi_t * context);
scpi_result_t SCPI_Flush(scpi_t * context);