LMS-1709 test instance: scripts

SVN: 17566

screening/dist/admin/readme.txt

+How to install 'openbis for Screening' from scratch:
+- enter the directory where you want to install openbis (e.g. ~/openbis)
+- create 'servers' directory and copy 2 zip distributions for openBIS AS and openBIS DSS into it 
+- create the bin directory in a following way:
+  mkdir bin
+  cd bin
+  wget svncisd.ethz.ch/repos/cisd/screening/trunk/dist/admin/svn-update.sh
+  . ./svn-update.sh
+- run install script
+	bin/install.sh
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