Readme is inconsistent respect to the real state of the project

[darioamorosodaragona-tuni]

1. using mvn package the .jar is created in the gittruckfactor/target folder, so than you need to move all the files in gitruckfactor because otherwise it is not able to find config.properties file (or you have to lunch the jar from the gittruckfactor folder.

2. in the example commands in the readme there is git/truckfactor, but cloning the project there is no folder named git, so the correct command is [script] 'gittruckfactor (I guess)