parseptbblog.php: Update for latest OSes, Matlab releases etc.

Add Windows-8.1 and OSX 10.9 Mavericks support.
Add detection for Linux on ARM mobile/embedded.
Add support for Matlab 8.1/8.2 aka R2013a/R2013b.
Remove reporting of IntelMac native vs. IntelMac Rosetta.
Screen: Completely remove last remains of Apple Quicktime support.

Delete all the dead and compile-time disabled code for good.
Cleanup help texts, header files, includes and project settings.
-> Screens for OSX rebuilt and tested.
Screen/OSX: Remove -framework AGL, set macosx-version-min=10.6, no 32-Bit fontglue.

AGL is no longer needed.
Minimum OSX version for our mex files is now 10.6.

Remove 32-Bit parts of PsychFontGlue.c - The same code would build
on 32-Bit, but the minimum required system would be 10.5 or maybe
10.6.

Screen and FontInfo mex files for OSX rebuilt.