feat(app): moving all application files to /app

part of #50
test(travis): change path to manage.py

part of #50
fix(app): removes application files outside /app folder

part of #50
style(ui): adding the new logo

part of #50
style(ui): adding the new logo

part of #50
fix(app): consolidate dict() declarations for settings in base.py

partial part of #50
Merge pull request #51 from CitoEngine/issue-50

#50 leaner meaner directory structure