Merge pull request #24 from pnagy/master

Some refactor and cleaning in the gui project
Merge pull request #25 from pnagy/master

Table list searching and paging. Visual feedback for deleted tables and columns.
Merge pull request #26 from pnagy/master

Small improvements to make easier to start application.
Merge pull request #27 from pnagy/master

Change default value, to use selected provider to the db config.
Merge pull request #28 from pnagy/master

Error handling to prevent crashes
Merge pull request #29 from pnagy/master

Use node connector package in the gui
Merge pull request #30 from pnagy/master

Add new endpoint page and working components config
Merge pull request #31 from pnagy/master

update common
Merge pull request #32 from pnagy/master

Update common
Merge pull request #33 from pnagy/master

Fix data provider endpoint service usage
Merge pull request #34 from pnagy/master

Fix configuration saving
Merge pull request #35 from pnagy/master

Fix db config connector and add schema handling to the gui.
Merge pull request #36 from pnagy/master

Fix endponint service subscription