templates: support for `<b:include src="id:foo"/>`
templates: better recursion prevention (detect root template include)
ui.popup: autoRealign property to prevent automatic realign on window resize
dragdrop: implement DragDropElement#ignoreTarget

by default don't init d&d if event target is <input>, <textarea>,
<select> and <button> element
dom.event: add target property (alias for sender) to wrapped event object
fix freeze on function parsing (when source has regexp) in basis.utils.info.fn, update test runner
1.2.2
Merge branch '1.2.2'
init 1.2.3
utils.info: fix function parsing
fix broken template test suite
hide devpanel in print styles
correct processing of zero values in chart series
primitive tests for basis.data.index.IndexMap
test suit for basis.data.index added
data.index: fix IndexMap#destroy method (fixes #15)
Merge remote-tracking branch 'origin/1.2.3' into 1.3.0
remove basis.ui.Node#templateUpdate and related refactoring
remove basis.ui.Node#content
new basis.dataset.Merge#addSource/removeSource, add spec