Update converter and template to allow for matlab code
Also allow for preliminary scilab support.
Major refactor - put language specific code in converter.
Add a heading for the installation, plus a couple of todos.
Add converted code output at the end for python
Move scripts to top-level directory
Ignore all .ipynb_checkpoints folders
Merge branch 'master' of https://github.com/gpeyre/numerical-tours

Conflicts:
	python/todo/nb_converter.py
Fixed method name convertt -> convert.
Add script to convert notebook to m file
Merge branch 'master' of https://github.com/gpeyre/numerical-tours

Conflicts:
	.gitignore
Remove the use of smop
Remove the use of smop
Can parse python and matlab, plus hyperlinks, need to test
Finish matlab notebook conversions
Refactor more pieces to the converter
Finish python notebook creation
Update installation notes, use MD headings, prep for example file creation.
Add examples handler for python
Prep for batch build