[vcl] Removed filtering of duplicated fonts. In this way 'my' font collection works; expecially the 'Aroma LT SC' typeface
[desktop] Added environment variable to force a desktop.

Currently there is no forced desktop.
The desktop can be forced, see the comment in the changed file
[scp2] Changed color of progress bar in splash window.
[officecfg] Set default UNO connection.
[i18npool] Set metric measurement unit for en-US language.
[sysui] New Acca Esse product name
[setup_native] New Acca Esse product name
[instsetoo_native] New Acca Esse product name
[helpers] Updated bash script help to configure for US language only