freeze AssemblyVersion at 2.0.9.5 to avoid breaking backwards compatibility with existing binaries
Merge pull request #17 from Unity-Technologies/master

don't break backwards compatiblity
update version to 0.9.7
Merge branch 'master' into unity-staging
move version number to version.txt so it can be read by both nant and gradle build scripts
Merge pull request #19 from Unity-Technologies/unity-staging

don't break backwards compatiblity