Update page.md
Merge pull request #25 from kateharsant/patch-4

Added hyperlink for Symposium Programme PDF
Merge pull request #26 from codecurve/master

Resized logo.
Changed speaker name and talk title
replaced Elhanan's talk with Raj's talk
Merge pull request #27 from kateharsant/patch-5

Changed speaker name and talk title
Merge pull request #28 from kateharsant/patch-6

replaced Elhanan's talk with Raj's talk