Added a 'Show all administratorsC' in member_search

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20843 a0171fae-0946-0410-966d-b1775066cd26
released 1.4.17, new version 1.4.18

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20844 a0171fae-0946-0410-966d-b1775066cd26