Removed old script stubs.
Added description.
Removed current homepage. Will be replaced using digabi-live-extras package.
Fixed .ISO file naming scheme.
Fixed static version numbering bug.
Merge branch 'dev'

* dev:
  Fixed static version numbering bug.
  Fixed .ISO file naming scheme.
  Removed current homepage. Will be replaced using digabi-live-extras package.
Added notice about Unknown Umbrella Bird.
Do not fail if updating /etc/os-release fails.
Fixed .ISO path in helper script.
Added support for sid repository (pin to 1).
If sshd is installed, harden it (allow login only using keys).
Added execute bit for chroot hook.
Merge branch 'dev'

* dev:
  Added execute bit for chroot hook.
  If sshd is installed, harden it (allow login only using keys).
  Added support for sid repository (pin to 1).
  Fixed .ISO path in helper script.
  Do not fail if updating /etc/os-release fails.
Ignore files included in /root.
Merge branch 'dev'

* dev:
  Ignore files included in /root.
Disabled VirtualBox extensions.
Updated iptables rules. Added ip6tables support.
Use latest kernel. (Was: 3.2.0-4 forced.)
Updated version helper: include git branch in version name.

Now versioning goes like this: if we are building in branch X, use version:
 - X=master: vYEAR.MONTH_COMMIT_BUILDTIME
 - X=dev: vYEAR.MONTH.DAY+dev_COMMIT_BUILDTIME
 - X=something-else: vYEAR.MONTH.DAY+dev+GITBRANCH_COMMIT_BUILDTIME
Tell if we're building unofficial version.