[Libreoffice] Installing LibreOffice extensions

[Constantin Makshin]

Hello!

LibreOffice installation package contains several extensions, some of which depend on JRE and therefore cause loading errors on systems where Java is not available.
I think it'd be nice to allow the user choose what extensions [s]he wants to install, adding special [warning] notice to JRE-dependent ones.

Thank you.

P.S.:
I'm talking about Windows version of LibreOffice.