Renamed "base_app" in "core_app". Minor naming fixes.

run_webapp_unit_tests.sh

services/webapp/code/rosetta/base_app/migrations

services/webapp/code/rosetta/core_app/__init__.py

services/webapp/code/rosetta/core_app/admin.py

services/webapp/code/rosetta/core_app/api.py

services/webapp/code/rosetta/core_app/computing_managers.py

services/webapp/code/rosetta/core_app/decorators.py

services/webapp/code/rosetta/core_app/exceptions.py

services/webapp/code/rosetta/core_app/fields.py

...rosetta/core_app/management/commands/core_app_populate.py

services/webapp/code/rosetta/core_app/migrations

services/webapp/code/rosetta/core_app/models.py

...bapp/code/rosetta/core_app/static/css/bootstrap-3.3.5.css

.../code/rosetta/core_app/static/css/bootstrap-3.3.5.min.css

.../core_app/static/css/bootstrap-datetimepicker-4.17.47.css

...e_app/static/css/bootstrap-datetimepicker-4.17.47.min.css

...tatic/css/bootstrap-datetimepicker-4.17.47.standalone.css

...pp/code/rosetta/core_app/static/css/stylish-portfolio.css

...osetta/core_app/static/favicon/android-chrome-192x192.png

...osetta/core_app/static/favicon/android-chrome-256x256.png