Moved js source files to src folder

src/editor/images/tools/undo.png

src/editor/images/tools/wand.png

src/editor/js/editor.js

src/editor/js/graph.js

src/editor/js/interactions.js

src/editor/js/manageddata.js

src/editor/js/state.js

src/editor/js/toolbar.js

src/editor/js/tools/addnodetool.js

src/editor/js/tools/collecttool.js

src/editor/js/tools/connecttool.js

src/editor/js/tools/deletetool.js

src/editor/js/tools/menus/collectmenu.js

src/editor/js/tools/menus/selectmenu.js

src/editor/js/tools/menus/settingsmenu.js

src/editor/js/tools/menus/toolmenu.js

src/editor/js/tools/redotool.js

src/editor/js/tools/savetool.js

src/editor/js/tools/selecttool.js

src/editor/js/tools/settingstool.js