smstools3 : ADD smstools3 package

Add smstools3 package from http://smstools3.kekekasvi.com/

Tested successfull as an email/sms gateway with :
- Device: ID 12d1:1001 Huawei Technologies Co., Ltd. E169/E620/E800 HSDPA Modem
- Trunk: OpenWrt Chaos Calmer r43753
- Kirkwood : Globalscale Technologies Guruplug Server Plus

Send and receive SMS with modem : OK
Forward received SMS to mailhub : OK

Signed-off-by: Gerald Kerma <dreagle@doukki.net>

utils/smstools3/files/smstools3.conf

@@ -0,0 +1,20 @@
+#
+# Description: Main configuration file for the smsd
+#
+
+devices = GSM1
+incoming = /var/spool/sms/incoming
+outgoing = /var/spool/sms/outgoing
+checked = /var/spool/sms/checked
+failed = /var/spool/sms/failed
+sent = /var/spool/sms/sent
+receive_before_send = no
+autosplit = 3
+
+[GSM1]
+init = AT+CPMS="ME","ME","ME"
+device = /dev/ttyUSB0
+incoming = yes
+pin = 0000
+baudrate = 9600
+