DOC: move Atom and SpaceGroup to separate pages

Author: pavoljuhas

doc/manual/source/mod_atom.rst

@@ -0,0 +1,7 @@
+diffpy.structure.atom
+=====================
+
+.. automodule:: diffpy.structure.atom
+    :members:
+    :undoc-members:
+    :show-inheritance:

doc/manual/source/mod_spacegroup.rst

@@ -0,0 +1,7 @@
+diffpy.structure.spacegroupmod
+==============================
+
+.. automodule:: diffpy.structure.spacegroupmod
+    :members:
+    :undoc-members:
+    :special-members: __call__, __eq__

doc/manual/source/package.rst

@@ -10,7 +10,9 @@ Submodules
 .. toctree::
     :titlesonly:
 
+    mod_atom
     mod_lattice
+    mod_spacegroup
     diffpy.structure.parsers
     diffpy.structure.applications
     diffpy.structure.expansion
@@ -79,13 +81,6 @@ diffpy.structure.symmetryutilities
     :undoc-members:
     :show-inheritance:
 
-diffpy.structure.atom
-=====================
-
-.. automodule:: diffpy.structure.atom
-    :members:
-    :show-inheritance:
-
 diffpy.structure.mmlibspacegroups
 =================================
 
@@ -110,14 +105,6 @@ diffpy.structure.sgtbxspacegroups
     :undoc-members:
     :show-inheritance:
 
-diffpy.structure.spacegroupmod
-==============================
-
-.. automodule:: diffpy.structure.spacegroupmod
-    :members:
-    :undoc-members:
-    :special-members: __call__, __eq__
-
 diffpy.structure.structure
 ==========================