Move generic simd files from ispc.git to the new gsimd.git
Refine examples and docs
refine docs
move intrinsics_utility.h to gsimd_utility.h
update descriptions for vector classes and constructors
 1. Use __PPC64__ to tell whether it's 64- or 32-bit
 2. minor fix for doc makefile to set right permission for group and for all
Merge branch 'master' of /gsa/yktgsa/projects/g/generic_simd/gsimd

Conflicts:
	include/power_vsx4.h
more doc improvements
more doc update
more doc update
add the spss-sweep example
The current version of sweep. Still 60% slower than manual unrolled code
Refine examples
 - Add genenric4 impl
 - Optimized splat p7 instrinsics, and use it in broadcast
 - Add helper class for i1 type's [] operator
 - Refine document
- add boolean &&, ||, ! operators
- slightly modified the interface svec4_i1's interface
added mandelbrot serial/simd
added mandelbrot serial/simd
Added mandelbrot"
Merge branch 'master' of /gsa/yktgsa/projects/g/generic_simd/gsimd
refine example's common.mk and other changes to examples
- refine documents
- add mandelbro's Makefile
- changed generic4's madd msub's implementation