add prebuild node sdk files
index.html: add Node 2.0 beta to home page
Java SDK 1.4.4 RN
Merge pull request #149 from daschl/144

Java SDK 1.4.4 RN
Java SDK: edit 1.4.4 release notes
Updated 1.3.8 docs
dotnet 1.3.8 revision 2
Merge branch 'master' of https://github.com/couchbaselabs/docs-ng into dotnet-1.3.8
More changes 1.3.8