basic follow logic and moved some classes
Added follow button and logic
moved TestExcecutionUtils to util package
trying to get follow in charts to work properly
Merge branch 'sprint8' of github.com:SmartBear/loadui into sprint8
Fixed import error
Merge branch 'feature-chart-follow' into sprint8

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/linechart/ScrollableLineChart.java