Improve pre- and postprocessing of documentation

Fixes issue #49, and some minor mistakes.

MindstormsEV3Toolbox.pdf

-docs/_build/latex/MindstormsEV3Toolbox.pdf
\ No newline at end of file
+/home/tim/toolbox/docs/_build/latex/MindstormsEV3Toolbox.pdf
\ No newline at end of file

docs/CommandLayer.rst

-.. automodule:: source
+.. automodule:: source.tmp_doc_files
 
 .. |br| raw:: html
-   
+
    <br />
 ============
 CommandLayer
@@ -12,4 +12,3 @@ Command
 
 CommunicationInterface
 ======================
-

docs/CommunicationLayer.rst

-.. automodule:: source
+.. automodule:: source.tmp_doc_files
 
 .. |br| raw:: html
-   
+
    <br />
 ==================
 CommunicationLayer
@@ -13,5 +13,3 @@ USB
 
 Bluetooth
 =========
-
-

docs/EV3.rst

-.. automodule:: source
+.. automodule:: source.tmp_doc_files
 
 .. |br| raw:: html
-   
+
    <br />
 EV3
 ===
 
 .. autoclass:: EV3
    :members: connect, disconnect, stopAllMotors, beep, playTone, stopTone, tonePlayed, setProperties
-
-

docs/Makefile

@@ -47,15 +47,15 @@ help:
 .PHONY: clean
 clean:
 	rm -rf $(BUILDDIR)/*
-	
+
 .PHONY: html
-html:	
+html:
 	@echo "Preprocessing..."
 	@python3 -c "import process; process.preprocess()"
 	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
 	@echo
 	@echo "Postprocessing..."
-	@python3 -c "import process; process.postprocess()"
+	@python3 -c "import process; process.postprocess(); process.postprocess_html_files()"
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
 .PHONY: dirhtml

docs/Motor.rst

-.. automodule:: source
+.. automodule:: source.tmp_doc_files
 
 .. |br| raw:: html
 

docs/Sensor.rst

-.. automodule:: source
+.. automodule:: source.tmp_doc_files
 
 .. |br| raw:: html