Adding a custom arrow node
Fix the position reference in DualAtomModel
PositionMarker copied from GraphingLines
Fixed the pushpin image reference
Scale by 3.33 vertically on zooming
Removed unused code and fixed grunt issues.
Update the forces arrows
Fixed grunt issues
Added pushpin node. Externalised string references. Pause motion when interaction strength is dragged
Use the fill property from options as the accordion background color.
Updated the strings file
Move the atom position marker on the graph along with the atom below
Fixed the mvt scale. Fixed the atom references for fixed and movable atoms. Removed redundant code.
Enabled atom movement and show forces (attractive, repulsive and total)
Removed unused slater output