Fixed copy/move/swapValue(s) effect for bars. The values don't move to the top of the bar anymore.
Merge pull request #134 from X455u/effectfix

Fixed copy/move/swapValue(s) effect for bars.
First working version of relative positioning and pointer refactoring
Refactoring code cleanup and commenting
Relative positioning refactor for graph and tree
Change build order of JSAV
Merge pull request #135 from vkaravir/relative-positioning-refactor

Relative positioning refactor
Documented the follow option when using relative positioning
Added gradeableStep functions to exercise JSAV and modelanswer JSAV.
Updated pointer test to match new refactoring
Added jshint global definitions to src files
Tests and documentation for array .index(ind) function.