fix CCScale9Sprite CapInsets bug for rotated sprite frame
closed #2379: Removing CCZone.h/.cpp.
issue #2379: Removing unused file - cocos2d.vcxproj.filter.orig.
issue #2379: Removing CCZone.cpp for Makefile.
issue #2379: Removing CCZone.cpp/.h for win32 project.
Merge pull request #3112 from dumganhar/iss2379-remove-zone

closed 2379: Removing CCZone.h/.cpp.
closed #2381: ControlSwitch was displayed ugly when adding more than one switch.
Merge pull request #3113 from dumganhar/iss2381-controlswitch

ControlSwitch was displayed ugly when adding more than one switch.
closed #2388: Creating a default texture for CCSprite if setTexture(nullptr) is invoked.
Added -std=c++0x flag in C++ eclipse projects
Removed unused include in eclipse HelloLua project
Removed warnings from external projects (libbox2D & liblua)
Added deprecated functions ignoring in libcocos2d eclipse project
Various linux eclipse projects compilation fixes
Fixed some warnings
Merge pull request #3115 from azmeuk/linux

Linux Eclipse Projects
no more VC2010
Merge pull request #3116 from lgb/small_fix

no more VC2010
Add append function for String class.

The append function is useful when adding a string.
So, I added it to String class.
issue #2388: Checking whether the texture exists.