set z-index to -1 when hidden to avoid problems with IOS 8
Merge branch 'master' of https://github.com/biviosoftware/perl-Bivio
make HTTPConf dir if necessary
removed is_dev non-name mangling, causes too much inconsistencies
between javascript on dev and prod
Merge branch 'master' of https://github.com/biviosoftware/perl-Bivio