When android project build native, using multiple concurrent job processes;
android项目编译时,默认利用"-j"参数,启用跟cpu数相同的多进程编译
[AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #5124 from CocosRobot/updategeneratedsubmodule_1390074821

[AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #5121 from liang8305/use_multiple_build_process

When android project build native, using multiple concurrent job process...
[ci skip]
close #3765:Simplify label.Remove FontAtlasFactory,FontDefinition and TextImage.
get number of cpu, using multiple concurrent job processes;
issue #2789: Adds Map, Dictionary perf test, not yet finished.
Removes unused cast in CCTMXTiledMap.cpp.
issue #2789: Improves performance for Map<K,V>::keys.
issue #2789: Adds performance test for Map<K, V> and Dictionary.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into new_label
update xcode project.
Merge pull request #5127 from dumganhar/iss2789-perf-container

issue #2789: Adds performance test for Map<K, V> and Dictionary.
fix compiling error cause by include a non-existent file.
fix compiling error cause by miss include header file.
Merge pull request #5126 from liang8305/use_multiple_build_process

get number of cpu, using multiple concurrent job processes;
closed #2789: Adds a macro ‘’USE_STD_UNORDERED_MAP” for switching the implementation of Map<K, V> between using std::unordered_map and std::map.
Merge pull request #5128 from dumganhar/iss2789-perf-container

closed #2789: Adds a macro ‘’USE_STD_UNORDERED_MAP” for switching the implementation of Map<K, V> between using std::unordered_map and std::map.
Update CHANGELOG [ci skip]