Merge branch 'hotfix/1.22.5'
add a patch to compile ruby-2.0.0-p247 on synology, fix #2184
fix Synology detection in installer, update #2184
use pure sh shell in awk search, fix #2200
1.22.6
Merge branch 'master' into hotfix/1.22.6
Merge branch 'hotfix/1.22.6' into stable