Merge pull request #23 from heyongjian/master

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add id for Distinguish between different channels
Revert "add id for Distinguish between different channels"

This reverts commit a0e5bdbd6bfa6fbd113a590ee5a6d72a063c7741.
Merge pull request #24 from heyongjian/master

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Merge pull request #25 from heyongjian/master

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wanghao:use the same folder id for joylauncher and change server host
wanghao:calculate size for apk
Merge pull request #53 from lwanghaol/master

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