COOK-1270 Adding support for log flag to create output in cache folder.
Fixing attribute name
Merge branch 'COOK-1270'
Fix for PATH and bad install logic, added check for empty array on grep so installed? isn't always true
Made WebpiCmd.exe detection more robust
Merge pull request #9 from paulmooring/COOK-2298

[COOK-2298] Fix for PATH and bad install logic, added check for empty array on grep
COOK-2438 Changed windows package to use correct name.
Updated README
Merge pull request #10 from kendrickm/COOK-2438

Use correct package name for MSI
Merge branch 'master' of git://github.com/opscode-cookbooks/webpi