Add capability to read / write / stat files on the SIM. This now
supports cyclic, linear fixed and transparent SIM files.
Parse GET RESPONSE result to find structure of the file (cyclic, linear
fixed, or transparent), the file size and the record length.
Add both read and update capability for binary and record-based files.
Implement writing sim files through AT.
Creates a new structure in driver.h called ofono_phone_number.
This is meant to replace const char *number, int number_type
arguments everywhere.
Fix up all existing code to use this structure instead.
Implement basic SIM filesystem utilities.
Obtain Service Provider Name EF-SPN record.
Make NetworkRegistration use SPN for PLMN display. This implements PLMN
display rules in 31.102 "EFSPN".
Denis Kenzior
Andrzej Zaborowski