First prototype of docs included!

- Change folder structure for continuous integration and to better suit standard python package structures
- add Dockerfile, Jenkinsfile, requirements for CI
- add License, Changelog
- remove globals file, not necessary anymore
- simplify geo binning, change geo_fix parameter to det_geo parameter
- better readout of run_id variable

E.g. if you use the 1-5GeV & the 3-100GeV ORCA 2016 MC, it is not possible to distinguish the >3GeV events from the lowE prod from the events of the highE prod.

2) Now, always a fixed random seed is used. This is needed, if you use multiple input datasets and you want to throw away a fixed portion of events.

- Add possibility to throw away a certain percentage of events in a file

- Corrected run_id readout due to new data structure
- Added time_residual_vertex to readout
- Changed event track datatype from float32 to float64 for better precision with times

- Minor stuff to h5_data_to_h5_input