whitespace - tabkill
Axe handling of sogo 0.9 gnustep domain migration
Fix order of precedence for options

Fixes #2066 and #2166
Enforce the following order of precedence for options, first match wins:
  1. Command line arguments
  2. .GNUstepDefaults
  3. /etc/sogo/{debconf,sogo}.conf
  4. SOGoDefaults.plist
Merge pull request #9 from inverse-inc/fix/2066_options-precedence

Fix/2066 options precedence