added Fabrice Nabet testimony in Become Sponsor page
added Xavier Bonfils testimony in Become Sponsor page
Merge branch 'gh-pages' of github.com:AlsaceDigitale/hhcamp_2015 into gh-pages

* 'gh-pages' of github.com:AlsaceDigitale/hhcamp_2015:
  added Christophe Richard as speaker for heatlh-data-day