Bruce j Beare

Results 2 issues of Bruce j Beare

The 2 second idle delay may now be specified separately for pickup and delivery stations. Resolves: https://github.com/0ptera/Logistic-Train-Network/issues/336

**TL;DR** Both Finish loading and unloading are useful concepts and need to be separated. **What ?** I suggest separate switches. **Why ?** By being able to finish unloading without having...