Merge pull request #238 from sawilde/master

A number of fixes
Added W3SVC coverage support

- Program.cs:
*Introduced a new method "TerminateAndRestartCurrentW3SvcHost" to handle
the texisting svchost for the w3svc service. This will be called instead
of service start.
-ServiceEnvironmentManagement.cs:
* Added a fix for when the service uses the localsystem account name
* Added a fix for an issue with OpenProcess not returning a proper
handle on Windows 8 (possible Vista and above)
Added sample WCF service
Merge branch 'master' of https://github.com/OpenCover/opencover
Merge branch 'master' of https://github.com/AndiVlad/opencover into AndiVlad-master
add missing project reference
some resharper refactoring
Merge branch 'AndiVlad-master'