Added mappings used in the final 31 MB csv data

1. Added mappings used in the final 31 MB csv data
2. Removed extra comma after 2nd column
Removing log statements
Adding viz. Agewise-Sex Trend Chart
Removing console logs and fixed click to zoom chart
Changes to get file management working correctly
Merge branch 'master' of https://github.com/bjzadwor/cs171-fp-Lak-Zad
trying to get data download to work correctly, still gives occasional trim error on load