Add NamedStringHelper

-scans directory and adds files as named strings
-had to add dirent header for windows (untested)
Merge branch 'master' of github.com:hpicgs/glow
Merge branch 'master' of github.com:hpicgs/glow
Add clearbuffersubdata to Buffer
Merge branch 'master' of github.com:hpicgs/glow