[GSCKATA-39] Set the Java language level to 1.8.

git-svn-id: svn+ssh://gsckata.svn.services.gs.com/svnroot/gsckata/branches/solutions@92 66aded80-052e-4344-91a8-38ab96726eea
[GSCKATA-39] Set the Java language level to 1.6.

git-svn-id: svn+ssh://gsckata.svn.services.gs.com/svnroot/gsckata/branches/solutions@97 66aded80-052e-4344-91a8-38ab96726eea
[GSCKATA-39] Set the Java language level to 1.6.

git-svn-id: svn+ssh://gsckata.svn.services.gs.com/svnroot/gsckata/branches/solutions@98 66aded80-052e-4344-91a8-38ab96726eea
[GSCKATA-41] Upgrade to GS Collections 4.2.

git-svn-id: svn+ssh://gsckata.svn.services.gs.com/svnroot/gsckata/branches/solutions@100 66aded80-052e-4344-91a8-38ab96726eea