Merge pull request #96 from htlxyz/v3quick

modify image not scale bug
Merge pull request #97 from htlxyz/v3quick

modify sample testified register code
fix: set wrong design resolution size when window resize
add menu for player
Merge pull request #98 from htlxyz/v3quick

modify scrollview not easy click on android fixed #95
Merge pull request #99 from htlxyz/v3quick

modify popScene can't touch bug fixed #91
3 changes:  1. Export QUICK_V3_ROOT for install_luajit.sh;  2. add "sudo" before "make" in install_luajit.sh;  3. Copy Makefile to LuaJIT-2.0.3/src/ from luajit.org 2.0.3 version
Merge pull request #101 from simplel/v3quick

Some errors when I running setup_mac.sh, fixed
initialized static LuaStack instance value when a new lua stack was create. fixed #102