Alpha masks will allow us to have configurable shadow colors.

Reverts the accidental removal of this in
cb3cd9644fdc556234f62fb80f6ecf60afedf3cf

This removes more references to bugzillas that are not available to the
community. See http://wiki.documentfoundation.org/Development/FAQ

This is contributed under the terms of the MPL 1.1 / GPLv3+ / LGPLv3+ triple
license.

This removes references to some internel bugtrackers that are (according to
http://wiki.documentfoundation.org/Development/FAQ ) not available to the
community in writer/starmath.

This is contributed under the terms of the MPL 1.1 / GPLv3+ / LGPLv3+ triple
license.

This translates the remaining german code comments in writer/sw/source/ui/envelp
to english.

This is contributed under the terms of the MPL 1.1 / GPLv3+ / LGPLv3+ triple
license.

This translates german code comments in writer/sw/source/ui/envelp to english.

This is contributed under the terms of the MPL 1.1 / GPLv3+ / LGPLv3+ triple
license.

Because the filters are in a .so and the main lib dlopens this, we
cannot test the filters from inside a test which is linked against
the internal symbols as its just a mess of conflicting symbols
seeing as the filter .so links to the main .so we we end up with
the main .so symbols included twice.

Which all means we're limited to the public sw symbols here