closed #4020: cocos_files.json should be auto-generated by CocosRobot.
issue #4020: Updates before-install.sh. and comment fix in generate-cocosfiles.sh.
issue #4020: Typo fix, elif -> if.
Merge pull request #5344 from dumganhar/iss4020-auto-cocos-files

closed #4020: cocos_files.json should be auto-generated by CocosRobot.
issue #4020: Adds execute permission for generate-cocosfile.sh.
Merge pull request #5345 from dumganhar/iss4020-auto-cocos-files

issue #4020: Adds execute permission for generate-cocosfile.sh.
[AUTO] : updating tools/project-creator/module/cocos_files.json
Merge pull request #5346 from CocosRobot/update_cocosfiles_1392263816

[AUTO] : updating tools/project-creator/module/cocos_files.json
commit
issue #4020: Sorts the elements in cocos_files.