Merge pull request #362 from naga2raja/descriptions

Added Installation from scratch of Serverspec for begineers and those wh...
check for entry in service list, and explicitly check its start mode (Auto/Manual/Disabled)
added an IIS_website resource
Verify the physical path of the website
added usage information for IIS
Added documentation for extra matchers
Add a "IIS app pool" resource
change display name to include the described name
changed "be_installed" to "exists" for the website
updated windows support document
remove extra space character
Merge pull request #363
Merge pull request #364 from elmundio87/windows_service_start_mode

Check the exact startup mode of a windows service
Merge pull request #365 from elmundio87/iis_website

A resource that checks IIS site configuration on Windows
Update dependency
Bump up version