Adds Apache directive to stop directory snooping
Adds robots.txt to disallow indexing base install

This is up for debate.
Adds explanatory intro page
Merge pull request #861 from meowsus/intro

Intro Page Concept
FIX: language files of custom modules did not show up in translater
FIX: when deleting modules dbforge needs to be loaded
Fix table_info so "Build from Existing Table" works in Module Builder
Merge pull request #866 from boblennes/develop

Fix table_info so "Build from Existing Table" works in Module Builder
Merge pull request #864 from mickser/develop

Fixes: deleting modules failed, custom modules language files did not show up