FBlend / News: Recent posts

Changelog:
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* Robert J Ohannessian:
- Added 15bpp supoprt do fblend_trans() and fblend_add()
- Optimized the common cases for both functions: 100% add and 50% trans.
- Changed API slightly.
- Made the trans function revert to masked_blit if factor is set to max.
- More speedups
- Trans code supports blocks of any widths

* Peter Wang:
- Added Unix makefile
- Fixed some assembly code which broke under Unix.

First release of FBlend!