+ add scroll bar to plots
+ stub avalanche scroll events
+ add zoom to origin functionality
merge with master
all control of plot representation in PlotsPanel
+ enable zoom out to infinity
+ scroll bar stuck fix
- code cleaning
- avoid code duplication
- dummy code clean
+ add getVisibleRange method to PlotRepresentation
Merge pull request #522 from amikryukov/scroll-bar

JFG-769 Connect scroll bar for different plots
merge with master