[Tails-l10n] [pull] [pt-br] several translation updates

Hi! The changes that follow have been reviewed and the website has been
succesfully built.

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The following changes since commit 4fc3481e2d835fd84e720dc1ff450f45b0ec4945:

Updating trace file after uploading 3.6.1. (2018-03-17 01:20:32 +0000)

are available in the git repository at:

https://0xacab.org/drebs/tails pt-br

for you to fetch changes up to 104a01627b83878b75173a99d5df60cf4e6ae008:

Update pt-br translation of release notes for Tails 3.6. (2018-03-17 16:05:35 -0300)

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Tails developers (3):
      Update pt-br translation of contact and warning pages.
      Update pt-br translation of donate page.
      Update pt-br translation of release notes for Tails 3.6.

wiki/src/about/contact.pt.po | 97 ++++++++++++++++++++-------------
wiki/src/doc/about/warning.pt.po | 329 +++++++++++++++++++++++++++++++++++++++-------------------------------------------------------------------------
wiki/src/donate.pt.po | 48 +++++++++++++----
wiki/src/news/version_3.5/manual_upgrade.inline.pt.po | 26 ++++++---
wiki/src/news/version_3.6.pt.po | 110 +++++++++++++++++++++++++++-----------
5 files changed, 311 insertions(+), 299 deletions(-)