UCMS -- universal CMS --    mhb/19/Mar/2015
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Specification in EBNF:
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UCMS      = Topics , Items;
TOPICS    = Seq[topic];           //Seq[] <--> List[]
topic     = topicID<int> , header , Seq[item-id], subtopic; 
subtopics = Seq[topic-ID];
header    = name<string>, {{text},{picture}} , [revision] , [date] , [author];


ITEMS       = Seq[item];
item        = item-id<int> , content;
content     = name<string> , description , type<set> , status<set> ,dependsOn ,   
              Owner<user-id> ,Seq[comment] , inventedBy , inventedOn;
description = rational<string> , {{text},{picture}};
type        = "devOp" , "requirement" , "feature" , "SOC-question" , 
              "SOC-answer" , "Standard" , "Product" , "command" ; //???etc
status      = implemented , roadmap , created , discarded   
              //each could have more details (name, date, ...);
dependsOn   = Seq[item-id];
comment     = <string>;