Checked that Package declaration has not been defined yet. Fixes #424
add $root_group parameter
According to Apache docs http://httpd.apache.org/docs/current/mod/core.html#allowoverride "AllowOverride is valid only in <Directory> sections specified without regular expressions, not in <Location>, <DirectoryMatch> or <Files> sections."
provider is capitalized
Merge pull request #434 from UCB-RAC/vhost_directories_fix

AllowOverride only allowed in Directory
Merge pull request #435 from ptomulik/root_group

add $root_group parameter
Merge pull request #425 from puphpet/ticket/22998_mod_dup_declaration

Checked that Package declaration has not been defined yet. Fixes #424