Merge branch 'feat/touchOptimizationv1.2' into feat/imageWithChangingSizes

# Conflicts:
#	dist/plotly-basic.js
#	dist/plotly-basic.min.js
#	dist/plotly-cartesian.js
#	dist/plotly-cartesian.min.js
#	dist/plotly-finance.js
#	dist/plotly-finance.min.js
#	dist/plotly-geo-assets.js
#	dist/plotly-geo.js
#	dist/plotly-geo.min.js
#	dist/plotly-gl2d.js
#	dist/plotly-gl2d.min.js
#	dist/plotly-gl3d.js
#	dist/plotly-gl3d.min.js
#	dist/plotly-mapbox.js
#	dist/plotly-mapbox.min.js
#	dist/plotly-with-meta.js
#	dist/plotly.js
#	dist/plotly.min.js
#	package.json
#	src/components/dragelement/index.js
#	src/plots/cartesian/axes.js
#	src/plots/cartesian/dragbox.js
#	src/plots/cartesian/graph_interact.js

Author: Jan Wolfert