Partial CN evolution refactored
Changed name of import file when plots are grouped by calcs
Refactored CN and RDFVP routines
Refactored code to add possibility to plot time evolution of values
Refactored code
Added correlations plotting (via scatter)
Change GUI layout; rebase back to master
Examples folder added; one example inside
Added one more example (with two atomic types)
Merge branch 'data'
Added typifying of atoms to vp_totfacearea
Typo in data.py corrected