validation-api and el-api 2.2 should be optional dependencies with scope 
compile in myfaces-api
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                 Key: MYFACES-2623
                 URL: https://issues.apache.org/jira/browse/MYFACES-2623
             Project: MyFaces Core
          Issue Type: Bug
          Components: build process
    Affects Versions: 2.0.0-beta-3
            Reporter: Jakob Korherr
            Assignee: Jakob Korherr


Currently those two dependencies are defined messy. First they are defined in 
myfaces-core-project as optional which makes no sence since this project is 
just the super-project for api and impl and optional dependencies are not 
transitive. So this has to be removed here.

Furthermore the definitions of validation-api and el-api in the pom of 
myfaces-api are not completely correct. They should have a scope of compile 
(default) and should have set optional to true instead of just provided or 
provided+optional (which is by the way not allowed).

After this issue has been resolved el-api 2.2 will be available on the whole 
myfaces-api project, however keep in mind that you are only allowed to use the 
new methods (like getValueReference()) if you checked if the el-api 2.2 is 
really available first (via ExternalSpecifications). Otherwise you will end up 
in ClassNotFoundExceptions at runtime when el-api 2.2 is not available in the 
target system.

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