Missing comma forcing variables into global scope
node variable in onContainerDragstart was not private
layout variable in createSlideButton was public changed to private
style variable in createContainerCSS was public made private
groups variable not used in addItems
Made a few variables private in createContainer
offset variable not private in isOpened
listPosition should be private in moveContainer
group variable should be private in getModel
Merge pull request #68 from allada/master

Fixed some minor issues regarding private variables and unused vars