Update transmissionrpc to version 0.11
[transmissionrpc] Fix problem with gzip'd http responses

Unzipped fetched data if necessary

Taken from https://bitbucket.org/blueluna/transmissionrpc/pull-request/6/fix-problem-with-gzipd-http-responses/diff
Add xml declaration to xml files
Renumber translation strings

Per addon guidelines, string ids must be between 32000 and 32999
Replace hardcoded detail screen title with new string ID
Updated changelog for 0.7.6