Formatting changes.
Added parsing of multiplier values to scale CSV data to match the
timeseries unit.
Processing of multiplier value to get CSV data to match timeseries unit.
Updated ABMI multiply value to test updated functionality.
Updates to scale csv values to match the headline figure and unit.
Updated test to work with main code changes.
Merge branch 'master' of github.com:ONSdigital/tredegar

Conflicts:
	src/main/java/com/github/onsdigital/generator/data/AlphaContentCSV.java
Updated 'multiply' to 'csv scale factor'.