* Add online gc core
* Add check gc when update repo
* Go add check gc when update repo
* Add gc unit test
* Support set pwd_hash for gc and fsck
* Optimize to check if block exists
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Co-authored-by: 杨赫然 <heran.yang@seafile.com>
* Format c log
* Format go log
* Add SEAFILE_LOG_TO_STDOUT env
* Modify parameters name
* Set stdout to output
* Add app name and print error log
* Disable daemon mode when SEAFILE_LOG_TO_STDOUT is true
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Co-authored-by: 杨赫然 <heran.yang@seafile.com>