coveralls-gradle-plugin: update to v0.4.0
coveralls-gradle-plugin: update to v0.4.0

My fixes for the java source file path are now in maven central, so
hopefully the coveralls.io output will be more useful now :)

jamesmarva/myria,uwescience/myria,uwescience/myria,jamesmarva/myria,jamesmarva/myria,uwescience/myria,bsalimi/myria,bsalimi/myria,bsalimi/myria