Use i18n for projects/new intro
Use i18n for projects/new intro

I had already extracted this to our config file, but failed to use it.
This commit resolves this problem.

Change-Id: I22d60f732c86f8c9a5a0547b2b809f2de3ce6936

diffux/diffux,kalw/diffux,kalw/diffux,diffux/diffux,diffux/diffux,kalw/diffux