Added package broadcom-sta-dkms (for better BCM WiFi support).
Added git pre-commit hook for checking author.
Added Makefile:clean target.
Added symlink syslinux > isolinux.

Fixes issues when building images in other formats than ISO, ie. helps
to load configuration from right path.
Added multipath-tools to Suggests.
Merge branch 'macbook'

* macbook:
  Added package broadcom-sta-dkms (for better BCM WiFi support).
Removed manually defined variables: these will be passed automatically.
Merge branch 'fix-hdd-image-syslinux-config'

* fix-hdd-image-syslinux-config:
  Added symlink syslinux > isolinux.
Merge branch 'simplify-jenkins'

* simplify-jenkins:
  Removed manually defined variables: these will be passed automatically.
Allow reusing Vagrantbox.
Added URL to Digabi-hosted Vagrantbox.
Added third download URL for the Vagrantbox, added checksum.
Collect build configuration.
Removed unused variable.
Show user list on greeter.
Disable manual login (do not allow user to type in username).
Added autologin after 30 secs.
Added resized images.
Fixed filenames.
Fixed filenames (resolutions).