Locks screen orientation to landscape
Changes UI elements for formula module
Adds fields for display name and expression in the ADC table in sensor database
Adds getters and setters to sensor classes
Adds methods to FormulaContainer for clearing data and fetching all formula strings
Adds methods and fields to handle formula display name and expression
Makes changes to implement tempSensor for storing data temporarily
Makes modifications as per the UI changes
Makes changes in creating and evaluating formulae
Removes merge conflicts