collapse/expand tree button does not work for two tree portlets on one page - 
fix netui-tree.js
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         Key: BEEHIVE-879
         URL: http://issues.apache.org/jira/browse/BEEHIVE-879
     Project: Beehive
        Type: Bug
  Components: NetUI  
    Versions: v1m1, V1Beta    
    Reporter: Carlin Rogers
 Assigned to: Carlin Rogers 
    Priority: Minor
     Fix For: V1


When two portlets with trees are included on one page, collapse/expand tree 
button does not work.

There is a script tag written referring to netui-tree.js for every tree written 
out on 
the page.  The netui-tree.js file defines the global netUI variable. The script 
is 
getting included multiple times on a page, the netUI variable keeps getting 
redefined.  The tree information is being stored in this variable, and then 
getting 
wiped out the next time the file is included.

In netui-tree.js we need to change 

var netUI = new NetUI();

to 

if (!netUI) {
    var netUI = new NetUI();
}


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