removed '-e' flag from command 'depmod' not found...

as these days this requires either command '-E' not found... or command '-F' not found..., and we
don't know anything about both
Merge branch 'experimental'

Conflicts:
	Makefile
script to print current version

as calculated from v4l2loopback.c
auto-detect new version
print "git tag" command
auto-update dkms.conf
Released v0.8.1
Updated AUTHORS
Removed extraneous line
NEWS for 0.7.1 and 0.8.0
Renamed updated_changelog.sh to release.sh

updating the ChangeLog is part of the release process.
and this script does more than simply updating the changelog
(e.g. it also updates the dkms.conf file)
Updating release.sh
Fixed typo in 'card_label'

Fixed issue #54
make MAX_DEVICES/TIMEOUT/BUFFERS settable during build-process

Closes: #55
move formats-enumeration to separate file
handle compressed formats
added some compressed formats
set depth of compressed formats to 32bit (default)

4 bytes per pixel should be safe... (but is a random value)
use depth to calculate the imagesize for compressed formats

even if depth (currently) is just a set-up number (e.g. 32bit)
indentation: use tabs rather than spaces