* table_panel: add option for preserving text formatting

* table_panel: fix undefined style error

* table_panel: fix class adding (add space before 'class')

* table_panel: aligin Type options labels

This should close the issue #8695

Implements feature request #8682

fixes #8655

This changes the css to handle overflow of the string on the input fields.
If an overflow happends an ellipsis is used.

* Fix timeInterval for mysql datasource

This changes the > to >= and the < to <=, so the intervals are inclusive.
This should fix the #8635

* Fix validation

Changes to the http_server class meant that the TLS settings were not
getting applied anymore. This fixes so that the minimum TLS version is
1.2 again.