Map More than one name token to presenter

Change annotation NameToken value to array of name tokens. Change
PlaceImpl. For tab content proxy just use first nametoken.
Implement suggested change
Rebase and change to new structure.

Add dummy javadoc (fix checkstyle)
Removed author tags
Added toString to PlaceRequest
Merge branch 'master' of github.com:ArcBees/GWTP into cv_multiple_nametokens
Updated POM versions
Cleanup test case
Merge pull request #448 from ArcBees/cv_multiple_nametokens

Multiple nametokens, PlaceRequest.toString(), Updated POM versions