1. Adding blog post about Macquarie boot camp.
2. Fixing typos in two recent blog posts.
Merge pull request #291 from gvwilson/blog

Blogging about Macquarie.
Merge branch 'master' of github.com:gvwilson/website into blog
Blog post about UBC boot camp
Blog post about UBC
Merge pull request #296 from gvwilson/master

Blog post about UBC boot camp
Blog post about reproducibility
Merge branch 'master' of github.com:swcarpentry/website into blog
Merge pull request #297 from gvwilson/master

Blog post about reproducible research not being compelling.
Blog post about partnering with the SSI
Adding SSI logo
Added blog article on 2nd DiRAC dry run
Merge pull request #299 from mikej888/dirac-blog

Added blog article on 2nd DiRAC dry run
Adding news from the UK, and fixing title of DiRAC dry run post
Merge pull request #301 from gvwilson/blog

Adding news from the UK, and fixing title of DiRAC dry run post
Adding blog post to announce registration for Amsterdam
Colour, font, and small layout changes to improve readability

- Base text font face changed for readability
- Text and heading colour changed to different greys
- Align blog text with heading
Updated upcoming office hours and updated description a little.

- I removed the implicit requirement to have attended a bootcamp (since Rosalind people may be coming by).
- I changed the image to show where to click.  Perhaps this isn't even necessary.
Added myself to metadata
Merge pull request #303 from pipitone/office-hours-update

Updated upcoming office hours and updated description a little.