Adds create user view, minor fixes

main/utils.py

@@ -0,0 +1,5 @@
+def format_username(firstname, lastname):
+    first = firstname.lower().strip().replace(" ", "")[:6].encode('ascii', 'ignore')
+    last = lastname.lower().strip().replace(" ", "")[:6].encode('ascii', 'ignore')
+
+    return "{}{}".format(first, last)