Change-Id: Id3721e2ce334df2de5f7631d40bff4ae1fdbe4dd

Change-Id: Ie47b497ab52d8ba35b8654c4950342aa83cfb05c

- fix typos
- use placeholder title values to prevent export of some dev-strings
- bump sources strings
- update tx config to reflect the merge of audio and video account
settings (formerly AccAudio and AccVideo, now AccMedia)

Change-Id: Ia397c74d4d29fd27688a8dd099644b353b8fc456
Tuleap: #500