added description for multi-dimensional tasking
added commas, added multi-dimensional tasking to mandelbrot_tasks & removed mandelbrot_task3d. Also adjusted documentaiton a bit
restored-x2
adding support of shl instruction in lExtractConstantOffset optimization
Merge pull request #684 from ifilippov/complex_1

Improvement of varying structures gather
Adding missing 3.4 handing in alloy.py (for alloy-build)
Merge pull request #685 from dbabokin/34_alloy

Adding missing 3.4 handing in alloy.py (for alloy-build)
fix compilation for Visual Studio
fix for --target=sse4-i18x16
Merge pull request #642 from egaburov/launch3d

concept of 3d tasking
packed_store_active2
Merge pull request #686 from ifilippov/ttt

packed_store_active2() - tuned version of packed_store_active()
+merged with master