Changed code to support a single release build.
The code should now be able to detect the OS and architecture and load the correct SQLite dll.
For future releases, there will only be an MSI and a zip version, both are OS and architecture independant.
git-svn-id: https://duplicati.googlecode.com/svn/trunk@258 59da171f-624f-0410-aa54-27559c288bec
