DrawText text renderer plugin: Fix dormant bug and make robust against weird fonts.

* Fix bug where TranslucentTexture:: invertPixmap routine used bitmap.pitch where
  it should have used bitmap.width. Bug never seen in reality, as bitmap.pitch == bitmap.width
  in apparently all real-world setups. But anyway, better safe than sorry.

* Add safety check to monochrome renderer to reject bitmaps other than 1bpp, as
  that would crash. Never seen in the wild, but better safe than sorry.

* Fix crash in anti-aliased renderer if it was fed with a 1 bpp monochrome bitmap
  instead of the expected 8 bpp bitmap. This would crash hard and did so on an
  ancient Gentoo Linux system of a user (forum msg #15827 et al.).

  If we detect such a non 8 bpp input bitmap, we try to convert it on the fly
  into a suitable 8 bpp bitmap via the FT_Bitmap_Convert() function.

-> OGLFT.cpp modified.
-> Drawtext FTGL plugin rebuilt and tested on 32/64 Bit Linux and OSX. User will
   test on the troublesome Gentoo Linux system and report back.
Tiny fix for BubbleDemo for short-circuit operator regression.
Bug fix some GLU NURBS functions and make them thereby functional.

Errors in error handling caused the NURBS bits of GLU to be
unuseable. Should fix errors in forum message #16021.

However, gluNurbsCallback() function is unsupported and will
stay that way, due to high effort to implement it and the
deprecated status of the NURBS functions, so no point in
spending more than the minimal effort on them.

However NURBS rendering should work, as the callbacks aren't
needed for standard operations.
NetStation: Allow sending more than just int16's to NetStation system.

Allow logical, int8/16/32, single, double, char instead of only int16
as in the past.

Contributed by Matt Mollison, University of Colorado Boulder,
Department of Psychology and Neuroscience.
Changing scaling of differential data. Previously it was creating an NxN matrix where N is the number of samples retreived. This caused it to lag badly and crash the computer on a Windows 8 Matlab 2012 machine. Changed so that it is using a more efficient way to replace values.
FTGL drawtext plugin: Make OGLFT handling of mono bitmaps finally work.

We must initialize our temp FT_Bitmap via FT_Bitmap_New()!
Also add another little bit of error handling.

-> Plugins for 32/64-Bit Linux and 64-Bit OSX rebuilt.
-> No more rebuilds for 32-Bit OSX.
Merge branch 'Psychtoolbox-3.0.10' of https://github.com/Psychtoolbox-3/Psychtoolbox-3 into Psychtoolbox-3.0.10