report.sh: fix domain name (theslinux -> archlinuxvn)
Fix #env loading
report.sh: report number of *any* package
report.sh: package only has .xz extension
report.sh: number of deleted packages => null
report.sh: use #string for all values in #json output
report.sh: print link to #iso files
sync.sh: use single #rsync command for all directories
sync.sh: remove #dry-run option
rsyn.dirs: add #staging #testing