clean up import statements: more specific

urls.py

@@ -1,17 +1,13 @@
 from django.conf import settings
-from django.conf.urls import *
+from django.conf.urls import url, include
 from django.views.generic.edit import UpdateView
 from django.views.generic.list import ListView
 from django.contrib import admin
-#from django.contrib.staticfiles import views as staticviews
-#from django.conf.urls.static import static
 from django.urls import reverse, resolve
-#
-from .core.views import *  # flat import
-from .core.views_other import *
-from .core.views_caves import *
-from .core.views_survex import *
-from .core.models import *
+
+from troggle.core import views_other, views_caves, views_logbooks, views_statistics, views_survex, view_surveys
+from troggle.core.views_other import logbook_entry_suggestions
+from troggle.core.views_caves import ent, prospecting_image
 from troggle.core.views_statistics import pathsreport, stats
 from flatpages import views as flatviews
 
@@ -22,6 +18,9 @@ admin.autodiscover()
 #    url( <regular expression that matches the thing in the web browser>,
 #         <reference to python function in 'core' folder>, <optional name>)
 
+#    Django also provides the reverse function: given an an object, provide the URL
+#    which is vital to writing code for the webapp. So the URL dispatch is declarative.
+
 actualurlpatterns = [
     url(r'^troggle$',    views_other.frontpage,      name="frontpage"),
     url(r'^caves$',      views_caves.caveindex,      name="caveindex"),