Update Mac Project.
Merge pull request #5780 from dumganhar/master

Update Mac Project.
[Jenkins] Add xcode shared build sheme
[Jenkins] remove test file
Rename namespace ui->gui
Merge pull request #5831 from nutty898/master_nutty_modify_framework_modifyname_ui

Rename namespace ui->gui
closed #4412: add some comments to show how to respond with backbutton in layers in wp8
Merge pull request #5836 from koowolf/backkey

Backkey
Merge pull request #5802 from lmskater/master

[Jenkins] Add xcode shared build sheme