- minor bug gps_ublox_eeprom axis_undef (http://www.multiwii.com/forum/viewtopic.php?f=8&t=5405)

git-svn-id: http://multiwii.googlecode.com/svn/trunk/MultiWii_shared@1687 02679b44-d973-9852-f2fa-63770883b36c
- when GPS defined, only allow arm with gps 3dfix (http://www.multiwii.com/forum/viewtopic.php?f=8&t=5406)

git-svn-id: http://multiwii.googlecode.com/svn/trunk/MultiWii_shared@1688 02679b44-d973-9852-f2fa-63770883b36c