Fix settings for projects that do not need to be published (akka#1083)

The one setting to rule them all: `publish / skip := true`

Merge pull request akka#943 from ennru/sfali-multipart_copy

AWS S3: multipart copy (continued)

AWS S3: settings changed with merge (akka#866)

OrientDB: add to connectors listing (akka#792)

Merge 2 lines in 'script' deploy into one (akka#711)

S3: Format x-amz-date with year-of-era (akka#679)

"YYYY" in `DateTimeFormatter.ofPattern("YYYYMMdd")` means
week-based-year, which formats `LocalDate.of(2017, 12, 31)` as
"20181231" and results in unexpected rejections from S3 as below:

> The difference between the request time and the current time is
too large.

Replacing it with "yyyy" fixes the bug.

MongoDb: Sink (akka#164) and Flow

* Add mongo sink
* add mongo update and delete operations
* document mongo update and delete operations.
* Seperate sink and flow.

Don't clear between building and deploying

Hopefully fixes akka#478

links to squbs components akka#435

Elasticsearch connector (akka#221)