Tidy up the project module some more

 ## Additions
 + Add current branch to display
 + Pass Github repo through to the page
 + Add link to source
 + Differentiate "progress bar" and "milestone" headers again
 + Add Git ``h4``, renamed "version control" because it's more interesting
   to translate
 + Add progress percentages to the progress bars

 - Remove redundant short-hash placeholder
 - Remove extraneous margins on ``ul``
 - Simplify progress calculation code

 * Change some variable names to be more forthcoming about what they
   represent
 * Fix links to the milestones
 * Fix indentation of strings.json
Add more configuration splurge

+ Added dependency on underscore
+ Added displaying of some configuration options for dent, link, quotes,
  report and web
+ Translated (badly) the word "Milestones"
* Translated and moved the github advert to below the milestones