Remove minifyJS

Replaced with its successors minify/concatenate Js/Css. Can now
be enabled via constants.
Add missing comment token
Update RTE configuration

The provided RTE configuration uses a lot of deprecated properties.
This patch replaces these properties with their successors.
Fix E_WARNING

The access to the "setPageTSconfig" and "setUserTSconfig" properties
in the ext_localconf.php did not check if those indizes exist in
the $settings array which caused a PHP Warning in case no EXTCONF
was written by the extension manager yet.
Merge pull request #4 from Trenker/deprecated-typoscript

Deprecated Typoscript