tvheadend: update to tvheadend-3.3.403. bump addon version
transmission: add options to enable / disable LPD & DHT
Revert "transmission: add options to enable / disable LPD & DHT"

This reverts commit 5fad8bb95fa30f37307fa33843832d365c086041.
busybox: add sysctl.conf.sample
Revert "transmission: net.core.{r,w}mem.max *workaround for uTP"

This reverts commit 2cf0e0be30ebd6f6e73f1fb78adc897f1cb3ecd4.
Revert "transmission: uTP is now disabled by default. add option to enable it."

This reverts commit 0b3c1a4e6730b9884a1682cd503ca270dc0d02df.
busybox: oops, accidently removed cron support in 2a80b33c0. sry
Merge remote-tracking branch 'upstream/master' into openelec-settings
busybox: crond & crontab symlinks still have to be removed

    the new settings addon checks for /sbin/crond existence
    to decide whether cron support is there or not, so symlinks
    have to be removed