Merge pull request #47 from pnagy/master

minor changes and bugfixes
Merge pull request #48 from pnagy/master

Some refactor on client side
Merge pull request #49 from pnagy/master

Fix server url
Merge pull request #50 from pnagy/master

update common
Merge pull request #51 from pnagy/master

Add batch filter and prevent gui crash
Merge pull request #52 from pnagy/master

Showing already configured tables and some minor change
Fix adding table to the db config
Prevent cache of getting configured table list