decision per test is saved and displayed in PDF report
Merge branch 'grid_master' into JFG_779_save_decision_per_test
minor changes
improvement in remove plots algorithm
minor changes
minor changes
merge with master
+ firefox fix. ImageElement does not have width / height before drawing
Merge pull request #546 from amikryukov/firefox-bug

JFG-776 saving images in FireFox fails
+ minor changes
  - noRedrawingPlot() - why?
  - remove Series in for loop
  - use constants for calculating legend width
Merge pull request #541 from dlatnikov/JFG_779_save_decision_per_test

Jfg 779 save decision per test
Merge pull request #543 from dlatnikov/JDF_801_slow_deselect_all_for_plots

Jdf 801 slow deselect all for plots
+ use one mechanism to populate controlTree and legendTree
Merge branch 'master' of github.com:griddynamics/jagger into legends-client-final

Conflicts:
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/components/DynamicLayoutPanel.java
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/components/PlotsPanel.java
Merge pull request #544 from amikryukov/legends-client-final

JFG-784 Display legend as tree and add possibility to collapse it
Merge branch 'master' of github.com:griddynamics/jagger into csv-only-chosen

Conflicts:
	webclient/src/main/java/com/griddynamics/jagger/webclient/client/components/LegendTree.java