merge ri_seq into ri_widget

change image file location in interface.xml, and change python file to use relative file location for it.

python/test.py

@@ -0,0 +1,56 @@
+#!/usr/bin/python
+
+import ri_widget
+import ri_tk
+import ri_data
+
+import sys
+import getopt
+from xml.dom import minidom
+
+def print_usages():
+    print 'Usages: %s [-b|--begin step_name] [interface_xml_file] [install_xml_file]' %sys.argv[0]
+
+try:
+    opts, args = getopt.getopt(sys.argv[1:], "b:", ["begin=",])
+except getopt.GetoptError:
+    print_usages()
+    sys.exit(1)
+
+begin_step=None
+for opt, arg in opts:
+    if opt in ('-b', '--begin'):
+        begin_step = arg
+
+if len(args) == 0:
+    itf_xml = "../xml/interface_t.xml"
+    ins_xml = "../xml/install.xml"
+elif len(args) == 1:
+    itf_xml = args[0]
+    ins_xml = "../xml/install.xml"
+else:
+    itf_xml = args[0]
+    ins_xml = args[1]
+
+xmldoc = minidom.parse(itf_xml)
+ri_data.install_xml = ins_xml
+ri_data.init_from_xml()
+#ri_data.init()
+
+ri_widget.construct(xmldoc.firstChild)
+
+base_widget_name = xmldoc.firstChild.attributes["base_widget"].value
+ri_widget.init_display(base_widget_name)
+
+main_sequence_name = xmldoc.firstChild.attributes["sequence"].value
+ri_widget.Sequence.set_current_sequence(main_sequence_name)
+main_sequence = ri_widget.Sequence.dict[main_sequence_name]
+
+if begin_step is None:
+    begin_step = main_sequence.steps[0]
+else:
+    main_sequence.set_step(begin_step)
+    
+ri_widget.Widget.dict[begin_step].show()
+
+ri_widget.mainloop()