volk: replace references to attribute((aligned... with cross platform macro
This replaces all aligned(16) and aligned(128) (which were incorrect).
Attribute macros are on the left because this makes gcc and ms compilers happy.
Including time header to qa files.
Initial checkin for VOLK - Vector-Optimized Library of Kernels. This is a new SIMD library.
It currently stands by itself under the GNU Radio tree and can be used separately. We will integrate the build process into GNU Raio and start building off of its functionality over time.