Limit jQuery version to ^2.0; Fixes #361

Pagination template: fix show 0 items

When no items found then show "Items: 0-0 of 0" text instead of "Items: 1-0 of 0".

fix DataGrid::removeColumn()

$columns_visibility => E_NOTICE: Undefined index:

Update bower: nette-forms to version ^2.3 (compatible with 2.4)

Remove unexisting selector .level-0

Removed unexisting .level-0 selector

Unnecessary check if class exists

Adding support nextras traversing expression

Unit tests for DoctrineCollectionDataSource

Fix title on Add button

# Conflicts:
#	composer.json

applyFilterText and applyFilterMultiSelect

Issue #327

Unit tests forNetteDatabaseTableDataSource