Unhandled exception running when running in SSIS

Fix to Environment.GetCommandLineArgs()[0] returning null when running
inside and Integration Service Package (SSIS), and thereby causing
Path.GetDirectoryName(applicationNameAndPath) to throw an argument
exception.
Merge remote-tracking branch 'upstream/master'
Increase version number

According to this comment by mikehadlow
https://github.com/mikehadlow/EasyNetQ/pull/271#issuecomment-52281003
Merge pull request #271 from tynor88/master

Unhandled exception when running in SSIS