Added account managing system

Ignore-this: b634c7a0b4d557e0b6e38a29ef8b13d6

darcs-hash:20090314101000-1e3d8-20c7dc473d3e57bf3024bb24b33207894cb68d2c
Added sip_migrate_settings script

Ignore-this: 8dc034300a5abfe92f587d7a54711ef5

darcs-hash:20090314101028-1e3d8-59fac6e465e17a1fac656c8e5546ff952f8b1f38