Adding region class to the bar charts
Appending mappings.csv with values (330+ rows) for reverse mapping
Adding code for selecting age group to the criteria on click
Adjusting text size to match viz size
Working on positioniong and code for Storytelling
Merge branch 'master' of https://github.com/bjzadwor/cs171-fp-Lak-Zad
Adding storytelling instructions functionality.