"Applied fix from trunk for revision: 1633100  " 
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r1633100 | jleroux | 2014-10-20 13:06:59 +0200 (lun. 20 oct. 2014) | 3 lignes

A patch from Deepak Dixit for "The updation and deletion of content meta data tab is not working.Needs a change of entity ContentMetaData." https://issues.apache.org/jira/browse/OFBIZ-4927

MetaDataValue is changed from primary key to non primary key as the value can be updated.
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git-svn-id: https://svn.apache.org/repos/asf/ofbiz/branches/release12.04@1633102 13f79535-47bb-0310-9956-ffa450edef68