Fixes #1537: taglets project now compiles on Java 7

git-svn-id: http://chianti.ucsd.edu/svn@31085 0ecc0d97-ab19-0410-9704-bfe1a75892f5
References #1651: Fixed issue with multiple "About" menus on Mac.  Needs to be applied to 3.0.1.

git-svn-id: http://chianti.ucsd.edu/svn@31086 0ecc0d97-ab19-0410-9704-bfe1a75892f5