Merge pull request #4 from julian-upc/master

actualize 9/12/2014
sheet3_finished
Merge pull request #113 from elisabetburjons/master

Code sheet 3
Merge pull request #114 from elisabetburjons/master

readme
sheet3_delete
sheet3_finished
Update and rename orbit_readme.txt to readme.txt
Update diary.txt
Merge pull request #115 from jan-fiser/master

Jan Fiser - Sheet3 finished
Merge pull request #10 from julian-upc/master

Actualitzar