Fix text escape in dashboard
Merge pull request #458 from zanata/text-escape-fix

Text escape fix
fix nullpointer exception when loading version page
Merge pull request #459 from zanata/fix-null-pointer

fix nullpointer exception when loading version page
Change versionStatisticCache to be eternal with overflow to disk: https://bugzilla.redhat.com/show_bug.cgi?id=1099736