Bump version to 0.16next
Add HTML5 doctype

Signed-Off-By: Christos KK Loverdos <loverdos@grnet.gr>
CSS change for breaking words

Following the suggestion at #6106.
Fixes #6106 https://code.grnet.gr/issues/6106

Signed-Off-By: Christos KK Loverdos <loverdos@grnet.gr>
Update synnefo references due to package renaming
Move webclient code under synnefo.pithos.*
Update webclient references