devpanel: fix crash on inspecting svg elements
test for basis.layout.getViewportRect added
field.js: fix url regexp
Calendar test for issue https://github.com/basisjs/basisjs/issues/16
ui.calendar: rework section node creation and small refactoring (fixes #16)
layout: fix getViewportRect adds page scroll offset twice
1.2.3
Merge branch '1.2.3'
Merge branch 'master' into 1.3.0

Conflicts:
	src/basis.js