add another xaxis on bottom
add another yaxis on left
update brush event to look the scale of axis
implement color scale controller on scatter plot
add scale controller for figure viewer
add brush on side small region for line plot and scatter plot
move css from explorer.html.haml into javascript
add result range controller on parameter_explorer. colorScalePoint is also changed
refactoring js, remove an unused variable in parameter_set_controller#_figure_viewer
download figure as svg file in line_plot and scatter_plot
warning phrases and typo are fixed
a bug is fixed: Now the range values are not able to change from NaN
rafactoring: rename pc_plot, a trivial bug is fixed in line plot
refactoring: brush event and log scale event
refactoring: scale change event on scatter plot
bug fix: IsLog is not set at figure viewer
bug fix: avoid zero-division
trivial refactoring
bug fix: enable log-scale in brush of figure viewer
draw only points and lines in brush window region

- do not draw axis or legends in brush-window for visibility