1) Updated README.md for help with calibration
	2) Added additional input parameter in timeWalkHistos.C to handle coincidence runs.
           Now it needs to specity either "shms" or "coin"  to use the correct leafs
        3) Added lines to specify the Run Number in the parameter file
	modified:   README.md
	modified:   fitHodoCalib.C
	modified:   timeWalkCalib.C
	modified:   timeWalkHistos.C

1) Modify timeWalkHistos.C to the latest verion by C. Yero
   and added headers that it can be compiled.

2) Modify timeWalkCalib.C to the latest verion by C. Yero
   and added headers that it can be compiled.

3) Added .gitignore, README.md and .rootrc

4) Added fitHodoCalib.C written by C. Yero
   and added headers that it can be compiled.

5) Updated fitHodoCalib.C to be able to fit cosmic data.

* Initial commit of time-walk calibration script

* Updates for safe keeping

* Monior tweaks

* Minor edits

* Add time walk function

* Minor tweaks to histo macro, first hack at fit macro

* Add functions for readability

* Added more functionality

* Still hacking out min/max algo

* More tweaks

* Modify cuts for more recent (12/5/17) cosmic running

* Add time walk scripts for HMS

* Update fit ranges and histogram ranges