dropbox: Add basic jIO connecter

Attachment implementation do not work

dropbox storage: add allDocs and jslinted

dropbox-storage: add basic remove

dropbox-storage: implement removeAttachment

dropbox-storage: Do some JSlint
dropbox: Add tests and jslint

dropbox: pass Put & Get tests

dropbox: indent and pass PutAttachment and getAttachment

dropbox: pass remove tests

dropbox: allDocs tested

dropbox: clear storage before allDocs Tests

dropbox: beautify tests

dropbox: jslint connector

dropbox: finish js lint on tests