IOP / Mbed 2 deprecated I2C_SSD1306_Helloworld_WIZwiki-W7500

Write the OLED(using I2C)

Dependencies:   Adafruit_GFX mbed

Diff: Adafruit_GFX.lib

Revision:
0:81a58b2fb28e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_GFX.lib	Tue Jun 23 09:49:31 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/kaizen/code/Adafruit_GFX/#3112550cc6a3