optimising for speed and accomodating for dnscrypt more

disabled persistent /read-write support due to extreme sluggishness;
put /tmp into tmpfs, added general tmpfs size restrictions;
replaced dnsmasq with unbound, added activation of dnscrypt-proxy, added creation of mandb;
pointed /home/hacker/.cache to /tmp/cache-hacker;
tweaked kate's config not to delete bullshit trailing spaces (needed for things like github's markdown);
updated Firefox's config
sorting, disabling openSUSE:Tools repo, removing NM dnsmasq hook, removing useless 'pin' utility
Merge branch 'master' of https://github.com/v-fox/live_opensuse_hsf