Merge branch 'master' of https://github.com/w-vision/ImportDefinitions

Merge pull request instride-ch#218 from dkarlovi/feature/export-from-…

…grid

feature: add support to start an export from the folder search grid

Merge pull request instride-ch#192 from DivanteLtd/bugfix/190-show-in…

…valid-mappings

Shows invalid mappings in Mapping tab.

Merge branch '2.0' into 2.1

Merge pull request instride-ch#193 from DivanteLtd/bugfix/checkbox-in…

…terpreter

Fix for checkbox interpreter.

Merge pull request instride-ch#187 from dkarlovi/dynamic-column-getter

feature: dynamic column getter interface

Merge pull request instride-ch#177 from dpfaffenbauer/fix-commands

change command for definitions:import

Merge pull request instride-ch#172 from blankse/create_commands

Create commands for import and export definitions

Fix: No mapping if class has only translateable fields

Merge pull request instride-ch#156 from dkarlovi/patch-1

fix: allow NULL to be passed to IteratorInterpreter