Import old version of y axis
Merge branch 'milestone-1.1.1' into issue18-yaxis
Added first implem of Y axis (issue #18)
Fixed some issues for Y axis
Added json package in the project
Fixed issue #101: temporal axis view
Merge branch 'master' into milestone-1.1.2
Implemented issue #102 (spatioTemporal axis)
Further fix in issue #102
Fixed issue #109 (variable micromodel), issue #25 (micromodel simplefication) and issue #88 (engineering notation)
Added parameter p strategy as settings (issue #92); added highlighting of the selected producer in y axis
Try triangles for leaves representation (issue #102)
Revert "Try triangles for leaves representation (issue #102)"

This reverts commit 0e196c03a144c88d197f236ca8bc2f412f9fd630.
Fixed issue #111; Added spatiotemporal mode for events (issue #105)
refactoring
refactoring
overview for partitions
Fixed amplitude max computation in spatiotemporal event mode (issue #105)
added temporal mode amplitude (issue #106; remaining bug: transparency does not to be taken into account); fixed issue #112
Fixed transparency in temporal event mode (issue #106); fixed scale in temporal axis (issue #113)