Update utility scripts to work with Service architecture and add unit tests to utility scripts

This issue is to update the utility scripts bacnet/create_ttl.py, simulate_skip_API.py,data/get_html_IO.py, and data/find_days.py to work with BOPEST service architecture and add specific unit tests to make sure that scripts work when updating software core. PR #652 updated simulate_skip_API.py,data/get_html_IO.py, and data/find_days.py to work with service architecture. To do:

[x] Update bacnet/create_ttl.py to work with service architecture
[ ] Add unit tests for all or critical utility scripts (TBD)

ibpsa / project1-boptest

Update utility scripts to work with Service architecture and add unit tests to utility scripts #700