Initial directory structure for lcb 2.3
Add libcouchbase 2.3 documentation

Note this is still missing release notes
Some modifications per matt's comments
add site map
Merge branch 'stage' of https://github.com/couchbaselabs/docs-ng into stage
Add releasenotes for libcouchbase 2.3
Merge pull request #110 from mnunberg/stage

Add libcouchbase 2.3 documentation
.NET SDK: fix conversion error in exponential value (NCBC-430)
.NET SDK: remove reference to RESTsharp.dll (NCBC-429)
C SDK: edits for v2.3 new content and release notes
nanoc.yaml: update C SDK menu link to version 2.3
index.html: update link to C SDK on home page to version 2.3
update home page and add new archive page
Java SDK: new files for v1.4
Adding infos for 1.4.0
Merge pull request #111 from daschl/1.4

1.4 java
Java SDK: edit release notes and new async operations section
Adding 1.4.0 GA release notes.
libcouchbase: Update homebrew instructions
Merge pull request #112 from daschl/1.4-2

Adding 1.4.0 GA release notes.