Puts markers on top of marker clusters
uses another instructor symbol
new past_bootcamp pin. Marker symbols now same as cluster symbol on all levels
First draft of skimage novice blog post
Beginning redesign
* very much a work in progress
* experimenting with header/banner/home page
updating gh-pages
layout changes
Merge remote-tracking branch 'sc/master' into redesign

* sc/master: (54 commits)
  Just fix pip command line in README
  Add requirements.txt
  Bootcamp for librarians at Mozilla Toronto
  WiSE at LBL
  Removing links to v3 material
  Fixing wording in cold call example
  Fixing casing in title
  Blog post on DiRAC driving test run at Edinburgh
  New organizer badges
  Adding three more team members
  Making sure there's a trailing newline in the bootcamp URL config file
  Correct link for Man MATLAB
  Making keywords consistent
  Lynne Williams: what I've learned
  Adding more instructors
  Add Raniere Silva
  Added Manchester Matlab bootcamp
  Add Raniere Silva
  Putting link-checking command into Makefile
  Correct Julian Garcia's name
  ...
Add hammer, updates templates for new layout
* footer still needs work
* not sure if I got all the pages
Remove dropdowns in navbar
* may want to add back in eventually?
use {{page.root}} in links
link to index.html -- not just /
* just in case
normalize line endings
normalize line endings
Merge branch 'master' into redesign

* master:
  normalize line endings
  Blog post about new instructors
  Last few badges of 2013
  Martin Jones' second book
  Wrapped lines
  Blog post on feedback on 2013-12-03-edinburgh
  Yet another bootcamp
  Blog post about AGU workshop
  It's easier to find bootcamps when URLs are ordered by date
  Better picture
  Better picture of Luke Lee
  Adding Ivan Gonzalez
  Adding Glasgow bootcamp.
  Added post about AGU session
  Added TGAC bootcamp
Redesign work
* add hammer to header
* add twitter to home page
* adjust styles
* adjust branding on all pages
Merge branch 'redesign' of github.com:acabunoc/site into acabunoc-site
Reworking the home page
redesign updates
* simplifying design
* use header more on each page
Change `requirements.txt`

After a conversation about `requirements.txt` in issue #218 and
almost 20 days with no more comments I'm using @ahmadia suggestion.

Note that the `requirements.txt` not cover the packages need for
create a badge, because of that I'm also updating the
`README-badge.md`.