armsnap.sh: new script to snapshot the mirror
gitignore: added goback/
rename mirror.sh -> armsync.sh
added cronjobs file
modded vars.sh.example
filled README
armsnap.sh: removed SNAP_WAIT_SYNC
armsync.sh: renamed variable SYNC_LOGFILE
vars.sh.easy: new easy-configuration
vars.sh.example: removed SNAP_WAIT_SYNC
bugfixes and refactors
print filename of VARS_FILE if not readable
bugfix: negate condition