lowered execution policy for powhershell script

'RemoteSigned' isn't enough for people downloading the package on a
network drive, at least now they have a warning where they can accept
the execution instead of an error
locate mod in downloaded package by inspecting modinfo file(s)

It make mod packaging easier, your mod can be at package root or in any
subfolder
add server mods url lookup
handle missing "available mods" resource properly
fix mods not being enabled after installation

it was using the partial modinfo from modlist json
fix not being able to enable/disable mods with dot in their id

the dot must be escaped in jquery selectors
remove the folder/id dependency
change forum link
flag as 0.7.0