Merge pull request #110 from vhda/master

Units: Print pass/fail message always in the same column
units: Add option to only test a specific language
Added Visual Studio 2013 project files to build ctags
Changes due to adding VS2013 project files
Added define and pragma to prevent MS warnings about
deprecated functions.
Ignore various files created by Visual Studio
Merge pull request #112 from b4n/units-language

units: Add option to only test a specific language
vhdl: Stop using trashbox and correctly parse EOF