* Set children block for layout.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps

Conflicts:
	system/module/block/js/setregion.js
 * fixed sorting function in 'block/setregion'.
 * fixed sorting function by update 'setregion.js'.
 * Show blocks.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * added some helper function to ui/modal.