removing old stuff of MembershipManager

Change-Id: I55660fc4b8800839c3c6a9369a70dda798504b76
extracting gerrit umbrella mechanism to its own object

Change-Id: I859264611fedfbbcf0b4bff15fba441c127a706e
Merge remote-tracking branch 'bender/master' into HEAD
Set inheritance on project parent/child update

When you change one project parent, apply this modification to all relevant
gerrit servers.

If there is no longer parents, simply make project inherit from All-projects

Change-Id: Ic2108fc2db9e7bf3eae90e641624f261166a59c5
Warn the user that she must be admin of the parent project

Change-Id: I7168621ad4852a285f537e13c0fbb359b71a43bd
Use PHP5 powa to build singleton

The reference in the method signature was preventing wiki to display
properly as phpwiki is able to interfere with global $request.
Typically, after the phpwiki stack is loaded, HTTPRequest::instance()
was returning a WikiInstance instead of a HTTPRequest instance. This is
typically a wtf moment.

Change-Id: I30c60fabd1363b97fc7fa3d62d27226441ae663f
Merge commit 'refs/changes/95/595/2' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Use PHP5 powa to build singleton

Change-Id: I51ee5fd3a0411a6a188c7c11e71161de302dca40
Tuleap 6.2.99.12

Change-Id: I1781e71b2ec2c5c4fdcc527d39e6597f8aab23c3
Merge remote-tracking branch 'gerrit/3635_have_my_new_parents_on_gerrit' into tuleap-stable-master

* gerrit/3635_have_my_new_parents_on_gerrit:
  Warn the user that she must be admin of the parent project
  Set inheritance on project parent/child update
  extracting gerrit umbrella mechanism to its own object
  removing old stuff of MembershipManager

Change-Id: Ic34a0f59b3080a3c59cb1ad6f80357bea2a66ca8
Tuleap 6.2.99.13

Change-Id: I310237398bdf523ccacbc35f74daad89515b6752