ServerSupport: 
allow for checking multiple CONTAINS() clauses
support SEARCH_SCORE as predefined identifier in ORDER_BY

InMemory:
allow only one CONTAINS clause
support SEARCH_SCORE as predefined identifier in ORDER_BY

git-svn-id: https://svn.apache.org/repos/asf/chemistry/opencmis/trunk@1449159 13f79535-47bb-0310-9956-ffa450edef68