merging changes from NOlan
Merge remote-tracking branch 'upstream/master'
deleted Excel spreadsheet of CrimeTeamHomicideFinalDatabase, working from google spreadsheets for data editing now
Merge Nolan's NavBar Changes
Merge in Nolan's design changes, map baselayer, etc.
changed app.py to run off master.csv, removed all other occurrences of csv and spreadsheets.  all years now work, map shows up, etc.
Merge pull request #8 from sa-express-news/master

Deletes old test files, updates main file to master.csv.  All maps now work.