fixing ispc.rst file properties (should not be executable)
Fixing r183327-AVX2-GATHER.patch file permissions
Merge pull request #568 from jbrodman/master

Fix against LLVM ToT
Typos fixes in docs
Fix for incorrect implementation of reduce_[min|max]_[float|double], it showed up as -O0
correction of adding -Werror option
Merge pull request #570 from dbabokin/docs

Minor docs fixes.
Merge pull request #569 from dbabokin/unmasked

Fix for incorrect implementation of reduce_[min|max]_[float|double]
Merge pull request #572 from ifilippov/master

correction of adding -Werror option