Added to Linux builds - Issue 66:  	 Add "XML" tree icon
Added to Linux builds - Issue 66:  	 Add "XML" tree icon
haiqiangwang/heekscad,satovey/heekscad,Funcan/heekscad,Funcan/heekscad,haiqiangwang/heekscad,haiqiangwang/heekscad,Funcan/heekscad,satovey/heekscad,haiqiangwang/heekscad,satovey/heekscad,satovey/heekscad,Funcan/heekscad