Merge branch 'hotfix/1_missfile' into develop
Merge branch 'hotfix/deadsession' into develop
Merge branch 'hotfix/reconnecttimesbug' into develop
Merge branch 'hotfix/reconnecttimesbug' into develop
avoid be killed by some memory cleaner
acquire wake lock
update README. restart the service when it stoped by system.
Merge branch 'release/0.7.1'