Add DataUtils.getMapName()

Add row deletion confirmation to web console

Assorted minor optimizations

Improve the look of error messages in web console

Allocate less amount of garbage

Fix handling of UUID in Datatype.readValue()

Optimize StringUtils.trim() and remove StringUtils.equals()

Issue#702 Adding tests to show issue 702 is fixed.

Use predefined charsets instead of names where possible

Use AtomicIntegerArray and StandardCharsets

Fix some build checks in sources

* Trailing whitespace
* Wrong identation
* Long lines
* Line endings