Merge pull request #2 from agarie/source

Added documentation; made small changes to site
Added 65x65 logo for Google Summer of Code
Merge branch 'source' of github.com:SciRuby/sciruby.com into source
Major update to website, NMatrix 0.0.9 synopsis
Added Alberto Arrigoni's blog entry about ruby-band, added note style
for editor's notes in blog articles.
Added Will Strinz's post on PubliSci.
Fixed small thing
Added 270a link
Added introduction to Will's blog entry
One more small change
Added Anna Belak's blog entry and picture.
Update intro paragraph to not mention Python
Added OPW blog entry
Some updates
BLOG
Alumni blog edits
typo
Modified some of Pjotr's wording
Updated title and timestamp
Upgrade to Ruby 2.1.0 and use SSL verification

* Use .ruby-version which is acceptable by rbenv and rvm
* Update to HTTPS for Bundler