Prepared for being able to compare charts
Removed ComparedExecution references in charts from OS
Merge branch 'feature-chart-compare' into sprint9

Conflicts:
	loadui-project/loadui-fx-interface/src/main/java/com/eviware/loadui/ui/fx/views/analysis/linechart/LineChartViewNode.java
	loadui-project/loadui-fx-interface/src/main/java/com/eviware/loadui/ui/fx/views/analysis/reporting/LineChartUtils.java