Convert OpenFire documentation to reStructuredText.

Change-Id: Ia0c15062388b4aa2922e8a5cc68f1f1cb3d4c60a
Warn users about IE7 deprecation

IE7 won't be supported in 1 month. Display a message to warn them that
tuleap is not optimized for this legacy browser. User can choose to
hide the message.

Change-Id: Ice6ba93040f622a291fb3f5ba6a1373516358748
Merge commit 'refs/changes/28/2028/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Convert OpenFire documentation to reStructuredText.

Change-Id: I510c9427c155e96831a409874024c9f504851759
Tuleap 6.10.99.72

Change-Id: Ie5de49bd5771970c592f62d5b07ec0bc6b53d00b
Merge commit 'refs/changes/26/2026/5' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Warn users about IE7 deprecation

Change-Id: I0a6105d6943520726d9be1ba80f0ce1e3c8d90fc
Tuleap 6.10.99.73

Change-Id: Ib090dbd9f072e1d5040b398337e205a7fe1a6147