Surround HDF5 hint with if(MSVC) block.
Update blosc_filter.c

Variable class caused problems compiling with g++
Merge pull request #71 from laurentchapon/laurentchapon

Update blosc_filter.c
Turn off Microsoft "secure CRT" warnings.

These are basically spurious since it is difficult to work the Microsoft-specific replacement functions into platform-independent code.
typo
Updated README.rst with warning about how Microsoft CRT versions must be exactly the same between c-blosc and HDF5.
Changed CMake HDF5 path variable to HDF5_DIR, which is what THG recommends in their docs.
Merge remote-tracking branch 'upstream/master'
Updated README.rst with information about copying HDF5 dlls.
Changed HDF5_DIR processing on Windows.

Copy blosc.dll to output directory on Windows.
Fixed mixed tab/space issues.