Merge pull request #6624 from dumganhar/v2

[v2] Adds 'ccs-res' submodule for storing CocoStudio resources, use the same version as v3 branch
added missing required Assets files
added missing required Assets files
added missing required Assets files
added missing required Assets files
added missing required Assets files
added missing required Assets files
Merge pull request #6640 from MSOpenTech/wp8-v2-fix

Added missing Assets files to WP8 projects
issue #4660: Uses utf8/16 conversion in llvm3.4
issue #4660: Updates xcode project
issue #4660: Updates where using cc_utf8_to_utf16 and cc_utf16_to_utf8
issue #4660: Adds licenses
issue #4660: Updates where uses cc_utf8_strlen
[V2] Fixed LabelTTF have black border on WP8/WINRT.
issue #4660: Updates cc_utf8_strlen
Merge pull request #6646 from Dhilan007/v2_labelttffix

closed #5063: [V2] Fixed label created with LabelTTF has black border on WP8/WINRT.
Update CHANGELOG [ci skip]
closed issue#5065:Missing letters if running on iphone 64bit simulator
Merge pull request #6650 from Dhilan007/v2

closed issue#5065:Missing letters if running on iphone 64bit simulator
[ci skip]