Print the input shape of GpuCAReduce when there is an error.
Fix crash as we used too much block in some cases.
fix race condition
When calling subprocess.Popen on windows, don't open command line windows.
Add comment in travis config file with info about other possible section.
Add missing new file.
do race-able check before making directory, to reduce # of directory creation attempts
Always define the name attribute to a default value.

This fix an error in error handling code. This will allow the real error to show up.
use errno field to check error number, instead of parsing string
changed hardcoded 17 to errno.EEXIST
Merge pull request #1160 from nouiz/fix_init

Always define the name attribute to a default value.
Merge pull request #1156 from nouiz/popen_windows

Popen windows
Merge pull request #1157 from goodfeli/master

fix race condition
Merge pull request #1143 from nouiz/gpu_sum_crash_fix

Gpu sum crash fix
Fixed compile errors under llvm-gcc-4.2 (OSX 10.8).
Merge remote-tracking branch 'origin/master'