Merge pull request #1 from colorpeach/master

fetch photo
Merge pull request #2 from colorpeach/master

update angular xtree
finish add mock item
Merge pull request #5 from colorbitch/master

Merge pull request #1 from colorpeach/master
finish get mock item
Merge branch 'master' of https://github.com/colorpeach/docs
finish mock item save
Merge pull request #7 from colorpeach/master

finish mock item save