Plugin which can set special Visual Studio properties

For now debugger working directory for targets

Change-Id: I74a1e0985ffdfdbed87b8e3fe5a14341e4b2fecc
Fixing ONLY_HEADERS option for test target

Change-Id: I135861ae5c8b8d045e514f4b3c381d229856ff80
Allow relative path to toolchain file

Path to not existing toolchain file now causes a fatal error
Removing unnecessary includes

Change-Id: I69e38ec2e2d3ed899af7dd80f75be9c73d657ceb
Fixing override of existing target properties

Change-Id: If77bb7b079f8eb46cd770661d08f2af545d91717
Added command ACME_SET_OUTPUT_NAME to set the output name of the module

Change-Id: Iee7aea3ffa7d6b31ffd7b8452238c6ffd94990c3
Adding version string to ACME output

Change-Id: I2f7845885c29dca2cb0587caa5eb987b484b5e03