fix line endings
add searchTree and region extension
fix edp jshint
add searchtree less
Merge pull request #41 from chestnutchen/master

add searchTree and region extension
add disabled list operation support
fix #42
fix a bug caused by the type of some default properties
add callback pending
add fileInfo length judgment
add Richboxgroup and fix some bug of Uploader
add notation and make Richboxgroup inherit from BoxGroup
update CHANGELOG, add comments
Merge branch 'dev' of https://github.com/ecomfe/bat-ria
add return code mode
Merge pull request #43 from chestnutchen/master

fix #42
fix #44
add ut and rewrite some code
remove ut
Merge branch 'dev' of https://github.com/ecomfe/bat-ria into dev