Completely split up the templating system from the Matrix Spec template code.

The two are now linked together in build.py by specifying the input module.
Updated gendoc.py to specify the right module.

templating/batesian/sections.py

@@ -0,0 +1,33 @@
+"""Parent class for writing sections."""
+import inspect
+import os
+
+
+class Sections(object):
+    """A class which creates sections for each method starting with "render_".
+    The key for the section is the text after "render_"
+    e.g. "render_room_events" has the section key "room_events"
+    """
+
+    def __init__(self, env, units, debug=False):
+        self.env = env
+        self.units = units
+        self.debug = debug
+
+    def log(self, text):
+        if self.debug:
+            print text
+
+    def get_sections(self):
+        render_list = inspect.getmembers(self, predicate=inspect.ismethod)
+        section_dict = {}
+        for (func_name, func) in render_list:
+            if not func_name.startswith("render_"):
+                continue
+            section_key = func_name[len("render_"):]
+            section = func()
+            section_dict[section_key] = section
+            self.log("Generated section '%s' : %s" % (
+                section_key, section[:60].replace("\n","")
+            ))
+        return section_dict