add icons for toolbar and desktop

icon/export_html.xpm

@@ -0,0 +1,45 @@
+/* XPM */
+static char * next_node_xpm[] = {
+"24 24 18 1",
+" 	c None",
+".	c #000000",
+"+	c #FFFFFF",
+"@	c #DADAD6",
+"#	c #BCBCB8",
+"$	c #506B46",
+"%	c #778E6F",
+"&	c #0F1308",
+"*	c #77A16E",
+"=	c #C2D7BE",
+"-	c #6B9060",
+";	c #A9C7A6",
+">	c #C1D6BD",
+",	c #BDD3B8",
+"'	c #B0CAAD",
+")	c #A4C3A2",
+"!	c #445B2C",
+"~	c #8CA782",
+"  ..................    ",
+"  .+++++++++++++++@#.   ",
+"  .+++++++++++++++#+#.  ",
+"  .+++$#++++++++++#%$&. ",
+"  .+++..#@++++++++@%$&. ",
+"  .+++.*.#@@+@++++++@#. ",
+"  .+@@.=-.#@@++@@@@@@#. ",
+".......=;-.#@@@+@@@@@#. ",
+".=>>>>>,;;-.#@@.@@@.@#. ",
+".=;;;;';;;;-.##.@@@.@#. ",
+".@>,,,>,,,,;-.#.@@@.@#. ",
+".)----------!.%.....@#. ",
+".~---------!.%#.@@@.##. ",
+".*--------!.$%#.@@@.@#. ",
+".......--!.%###.@@@.@#. ",
+"  .##%.-!.$%####@@@@##. ",
+"  .@##.!.%####@####@##. ",
+"  .+##..%%#####@@@@@@#. ",
+"  .+@#.#####@@@####@@#. ",
+"  .+@@#####@@@@####@##. ",
+"  .+##################. ",
+"  ..................... ",
+"                        ",
+"                        "};