new changes in test system
Merge pull request #630 from ifilippov/testing

new changes in test system
 added avx2-i64x4 and avx1.1-i64x4 targets
__masked_store_* uses vscatter now, and is thread-safe
Merge pull request #634 from egaburov/patch_knc

Making __masked_store_* thread-safe
removed LLVM_3_0 legacy part and changed copyright to 2013
support of operators
Merge pull request #631 from egaburov/avx2-i64x4

 added avx2-i64x4 and avx1.1-i64x4 targets
Adding testing support for avx1.1-i64x4 and avx2-i64x4 targets
Adding support for build on Windows for avx1.1-i64x4 and avx2-i64x4
Updating fail_db with new Windows fails
Merge pull request #637 from dbabokin/egaburov-avx2-i64x4

Windows support and testing update for avx1.1-i64x4 and avx2-i64x4 targets.
Merge pull request #636 from ifilippov/master

support of operators