Rework of the API import routines, now more task based

This is step one of cleaning up the eve_api application and replacing the working core with a more stable, celery based import queue. In addition we've added the ability to import a character just based on character ID, this should allow for populated corporate CEO positions on corps.

eve_api/utils.py

@@ -0,0 +1,26 @@
+def basic_xml_parse(nodes):
+    """ Parses a minidom set of nodes into a tree dict """
+    values = {}
+    for node in nodes:
+        if node.nodeType == 1:
+            node.normalize()
+            if len(node.childNodes) == 1:
+                values[node.tagName] = node.childNodes[0].nodeValue
+            else:
+                nv = {}
+                if node.tagName == "rowset":
+                    rset = []
+                    for nd in node.childNodes:
+                        if nd.nodeType == 1:
+                            d = {}
+                            for e in nd.attributes.keys():
+                                d[e] = nd.attributes[e].value
+                            rset.append(d)
+                    values[node.attributes['name'].value] = rset
+                else:
+                    for nd in node.childNodes:
+                        if nd.nodeType == 1:
+                            nv[nd.tagName] = nd.childNodes[0].nodeValue
+                    values[node.tagName] = nv
+
+    return values