Add Zinder manuscript on seasonal migration.
Merge branch 'master' into seasmig

* master:
  Small revisions to ebola blog post.
  Revise Ebola evolution blog post.
  Include paper and post on Ebola evolution.
  Update PDFs.
  Layout and link adjustments.
  Cleanup phylogenetic signal post.
  Include phylogenetic signal PDF.
  Update phylogenetic signal blog post.
  Include blog post on phylogenetic signal.
  Include Vrancken paper.
  Create titleboxes for better small-screen layout.
  Upgrade to Bootstrap 3.2.0.
  Update site to Jekyll 2.4, required updating category pagination.
  Update CV.
Include published seasonal migration PDF and blog post on paper.
Merge branch 'seasmig'

* seasmig:
  Include published seasonal migration PDF and blog post on paper.
  Add Zinder manuscript on seasonal migration.

Conflicts:
	pdfs/team/trevor-bedford-cv.pdf