Update rdiscount version in Gemfile.lock

This was changed when executing `rake generate`, so we are committing
it.

Change-Id: I03a551159aa09fe00c21d0f288f6506a026af517
Reviewed-on: https://gerrit.causes.com/22966
Reviewed-by: Ben Wiseley <ben.wiseley@causes.com>
Reviewed-by: Aiden Scandella <aiden@causes.com>
Tested-by: Aiden Scandella <aiden@causes.com>
Set deploy_default to push

This allows us to generate+deploy our blog by running `rake deploy`.

Change-Id: Ieacbb27ddc0bac430f18e6665d75ef3abc82adfe
Reviewed-on: https://gerrit.causes.com/22967
Reviewed-by: Ben Wiseley <ben.wiseley@causes.com>
Reviewed-by: Aiden Scandella <aiden@causes.com>
Tested-by: Aiden Scandella <aiden@causes.com>