add script to build android samples
Merge pull request #4027 from minggo/iss2905-adjust_folder

add script to build android samples
use build/android-build to build android samples, and update readme
Merge pull request #4029 from minggo/iss2905-adjust_folder

use build/android-build to build android samples, and update readme
Update CHANGELOG
issue #3069:Modify layer lua register and add some compatible lua binding functions
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developTouchEvent
Merge pull request #4031 from samuele3hu/developTouchEvent

issue #3069:Modify layer lua register and add some compatible lua binding functions
issues #2893:
  1.Texture atlas are create on demand, based on the characters used in the label.
  2.Create Quads (and not sprites) for each letter.
perfect vs-project configuration
Merge pull request #4032 from Dhilan007/vs-config

perfect vs-project configuration
[sp v25] Updating SpiderMonkey library to FFv25.
[sp v25] Fixing complication errors after updating Spidermonkey to v25.
[sp v25] Updating auto-generated and bindings-generated submodules.
[sp v25] Debugger script, loading file is ok.
[sp v25] Updating Debugger script.
[sp v25] Removing unused comments in main.js
[sp v25] Don't use 'using namespace std;' to make android build happy.
issue #2826: Updating vs project to link mozjs-25.lib
Closed #3048: cc.rect can receiving different type parameters now