Tidy up around socketPool description (leading bullet was confusing).
Merge pull request #140 from couchbaselabs/malarky-fixes

Tidy up around socketPool description (leading bullet was confusing).
Changed request a demo link to be absolute, should fix #SITES-100
Merge pull request #142 from PaintScratcher/adamt-fixes

Changed request a demo link to be absolute, should fix #SITES-100
2.5: update to upgrading with xdcr.
nanoc.yaml: drop off dev guide version 1.8 from list of versions due to insufficient space (MB-11271)
default.erb: added try couchbase button to header