Running spell check, fixing typos and cases of Hungrish.

Updating IPv6 section in README to mirror recent development

correct PopDevice (panic case)

update TestPopDevice

Fixing the recent removal of unversioned client interfaces.

We need to reference explicitly versioned interfaces

Getting rid of "master"s and "slave"s in favour of "parent" and "sub-…

…"interfaces in the name of PC :)

First open source release. Numbering reflects that the module had num…

…erous Nokia-internal releases over the years.