New version of WP8 for cocos2d-x v3.3

This pull request included the following:

1. Updated wp8 project files to support new project structure (libcocos2d is now a DLL)
2. removed obsolete wp8 project files
3. new solution to build wp8 v3.3 version
4. updated  wp8 shader compiler
5. updated wp8 precompiled shaders
6. added universal app project files (note: I still need to add universal app test project files and solution)
7. updated cocos2d-x code to support universal app and wp8 shader compiler.
8. Updated the cpp-template project for wp8

****This pull request is dependent on the following pull request to cocos2d-x-3rd-party-libs-bin

https://github.com/cocos2d/cocos2d-x-3rd-party-libs-bin/pull/48

****Please note that the cocos console app MUST be fixed to correctly copy the required folders and files. The cocos console is not copying all of the files and dirs from the cocos/2d dir or the external dir.