basic template for loading highcharts based spark-lines onto t3
styling on headline data chart
starting to extract functions into ChartService
further service methods extracted, testing out with t5 controller
Merge branch 'master' of github.com:ONSdigital/tredegar into spark-line
adding support for angular unit test
setting x-axis labels
Merge branch 'master' of github.com:ONSdigital/tredegar into spark-line
tidy up unused code, further js unit tests
adding js coverage capability and reformatting xAxis label orientation
Merge branch 'master' of github.com:ONSdigital/tredegar into spark-line
Merge branch 'master' of github.com:ONSdigital/tredegar into spark-line
Merge branch 'master' of github.com:ONSdigital/tredegar into spark-line

Conflicts:
	src/main/resources/files/app/app.js
	src/main/resources/files/app/services/taxonomy/taxonomy.js
	src/main/resources/files/app/templates/t3/t3.controller.js
	src/main/resources/files/app/templates/t5/t5.controller.js
	src/main/resources/files/index.html
merging performance related changes into spark-line
Merge branch 'master' of github.com:ONSdigital/tredegar into spark-line
temporarily setting load to synchronous
Merge branch 'master' of github.com:ONSdigital/tredegar into spark-line
Merge branch 'master' of github.com:ONSdigital/tredegar into spark-line
adding support for spark line at t1 level
refactor to prevent duplicate ctrl clash