cmake: Fix a bug that caused several files being not installed
test: Enable all warnings
construct: Fix initialization of uint8x32 in non-AVX2 archs
math_int: Fix a bug in uint16x8 AVX2 adds()
math_int: Optimize 16-bit multiplication on Altivec
math_int: Fix a bug in int32x4 NULL mull_lo()
math_int: Fix a bug in int32x8 AVX2 mul_lo()
doc: Improve documentation
memory: Fix a bug in int64x4 mem_unpack4
bitwise: Fix a bug in 256-bit FP bit_andnot()
shuffle: Fix a bug int 64x4 permute()
transpose: Fix a bug in int8x32 transpose8()
test: Fix a wrong forward declaration
Remove several unused variables
cmake: Use if(DEFINED syntax to check if a variable is defined
dispatch: Do not try to guess supported CPU features internally

Instead of combining the results of the 'default' CPU feature detection
mechanism and the data given by the user, let the user to do this
himsef. This is both simpler and more flexible.
dispatch: Move related functionality to simdpp/dispatch directory
dispatch: Make each dispatcher to have a separate copy of arch info
dispatch: Add a /proc/cpuinfo parser
Add support for FMA3 and FMA4 instruction sets