at command if: improve warning reporting
link monitor: added api to get local phone number to link monitor
ubx modem: added network indication led
ubx modem: better handle different modems
Merge branch 'master' of https://github.com/mbedmicro/mbed
adding back tx fifo, this also fixes the tx interrupts
fix merge conflict
Merge branch 'master' of https://github.com/mbedmicro/mbed

Conflicts:
	libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/serial_api.c
init enum
Merge pull request #195 from mazgch/master

Update of cellular modem