[#6830] Don't make Activity app hidden by default

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>
[#6830] New entry point handling for allura tools

New logic allows multiple EPs with the same name in the [allura] (tools)
section, as long as one of the EPs is a subclass of the other(s), in
which case the subclass will be the EP that is used, and the others with
the same name ignored.

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>
[#6830] Remove project root redirect to activity app

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>
[#6830] Let derived tools 'inherit' static resources from parent

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>