Move items into their namespace
                
                  
...
                
                
                
                  This commit also:
 - fixes some dangling whitespace,
 - fixes some incorrect docs in extras/mesh,
 - moves Text to core
 - moves BitmapText to extras
 - moves math constants to const.js
                
                  
                  
                  Chad Engler
                  committed 
  
    
      on 21 Mar 2015