fixed #1712: fix an issue of lacking table view cells after touch ended.
issue #1712: Moving getDPI from Cocos2dxActivity to Cocos2dxHelper.
fixed #1712: Updated iOS template.
issue #1712: Removed importing some unused packages in Cocos2dxActivity.
Merge pull request #1987 from dumganhar/iss1712-dpi

fixed #1712: Adding a class named "CCDevice" and getting DPI suport for Android, iOS, Win32, Linux, Blackberry.
issue #1724: Adding HelloJavascript project.
issue #1724: fixed errors for HelloJavascript of win32 port.
fixed #1724: Adding HelloJavascript for VS2012 solution.
fixed #1724: Updated project dependence for HelloJavascript project.
Merge pull request #1988 from dumganhar/iss1724-hellojs

fixed #1724: Adding HelloJavascript project.
fixed #1724: Register CCBReader for HelloJavascript.
Merge pull request #1990 from dumganhar/iss1724-hellojs

fixed #1724: Register CCBReader for HelloJavascript.
Make ScriptingCore.cpp compile with C++11 on iOS

When compiling with clang -stdlib=libc++ -std=c++11, write, read, and close functions are part of the unistd.h header file.
fixed #1724: Moved HelloJavascript to template folder and renamed it with "multi-platform-is".
Merge branch 'master' of https://github.com/cocos2d/cocos2d-x into iss1724-hellojs

Conflicts:
	template/multi-platform-js/proj.win32/HelloJavascript.vcxproj
issue #1724: Reverted vs solution.
Merge pull request #1992 from dumganhar/iss1724-hellojs

fixed #1724: Moved HelloJavascript to template folder and renamed it to "multi-platform-is".
fixed #1726: JSB application crashs on android device with armv6 architecture
webp lib depends on the module of cpufeatures when compiling with "APP_ABI := armeabi-v7a".
Merge pull request #1993 from dumganhar/master

fixed #1726: JSB application crashs on android device with armv6 architecture