add a xaml page to hello-cpp project
build support wp8 platform
Merge branch 'guichange' of https://github.com/koowolf/cocos2d-x into guichange
Revert "add a xaml page to hello-cpp project"

This reverts commit 71ec532c610dde313c8167f5eee26c51d1419727.
Merge pull request #4772 from koowolf/guichange

Guichange -  build support with wp8 platform