Updates before merge with new OperationBase change
Updated StockLevel, StockOut, and FrigeTemperature to use new API
updated the translatable error messages for SL, SE and FT
Moved boilerplate web layout code from prototype to main project
Merge branch 'master' of https://github.com/ireynolds/sms-immunization-manager
Add docstrings for many classes and functions.
Tests for OperationParser now pass.
merged with master
Merge pull request #40 from ireynolds/ft_fridge_temperature

Ft fridge temperature merged into master
Merge branch 'master' of https://github.com/ireynolds/sms-immunization-manager

Conflicts:
	equipment/apps.py
Merge branch 'master' of https://github.com/ireynolds/sms-immunization-manager
Add markdown to requirements.txt for building the documentation site.
Fixed broken import in stock.tests.
Tweaked error message in equipment.
Added parse stage for HE.
Implemented Help API semantics and commit phases.
Remove Laos-specific FT-first hack (to be added again later in a Laos-specific hacks branch).
Updated MessageEffect creation in fridge tag app.
Updated MessegeEffect creation in stock out app.
Removed docs