added empty doc_id string

also opened an issue on it...
Added a Handler for the API

This RequestHandler deals with routes which involve the API
other functionality will be added later.

[fixed #33]
Merge of origin into local
added vagrant files to git ignore.

These files are up there for vagrant based programmers
added the version endpoint to API Handle.

by adding this version endpoint we will add functionally for supporting future and legacy users.

[fixed #34]
added version v1 to versions.

[fixed #34]
added a err msg for using a wrong version.

[fixed #34]
uploading from folder (not just zip)

also fixed the article connection bug
fixes #37
Merge pull request #39 from hasadna/develop

merge last week team changes