add libexpat1-dev to snap build-packages

Use current system user and group in docker build script

Update instructions for Ubuntu 20.04

snap: cleanup devel/stable ambiguity

gitignore: drop outdated ignores

Co-authored-by: necessarily-equal <59283660+necessarily-equal@users.noreply.github.com>

kernel modules and debian files are not part of this repo anymore

scripts: liblxc moved from $SNAP/lib to $SNAP/usr/lib

Allow setting sensors value via dbus calls (eg. temperature)

Snap fails to install without this.

Allow to set value of temperature sensor using dbus call (Sensors interface)

20.04 snap

Include cpu_features via git submodule

update the README

This also add a few missing dependencies

Revert "Include cpu_features via git submodule"

Include cpu_features via git submodule

snap: set version at build time

snap: upgrade snap to 18.04

extended runtime-setup doc

added link to download prebuilt android images

Update docs for unable to access '/ dev / binder'

Update docs for ERROR: could not insert 'ashmem_linux': Operation not…

#1070

wording taken from https://github.com/anbox/anbox-modules/issues/20#issuecomment-570204411 @morphis comment
ref #20 #1309 #1240

snap: use older swiftshader version