Merge pull request #2 from UCL/develop

Develop to staging
Merge pull request #8 from UCL/develop

Develop to staging
Merge branch 'develop' into staging
Indigoise
Remove old generated files
Basic dexyfile
Begin to dexyify content
Rearrange content for dexy and for upcoming course
Merge branch 'dexy' into staging
Remove sconscript
Fix figure links
Do without citeproc
Use header inclusion file rather than custom template
Move files to session 1
Add an option to set a root where the site will be served from
Use siteroot variable to serve css and js
Serve from /training/engineering
Start on lesson 1
IPython figure 8 notebook
Lesson 01 content