Update changelog for 0.7.0 release (#217)

* Update changelog for 0.7.0 release

* Add attribution to changelog and add new items

Author: WasabiFan

debian/changelog

@@ -1,3 +1,29 @@
+python-ev3dev (0.7.0) stable; urgency=medium
+
+  [Denis Demidov]
+  * Support "-13-ev3dev" and newer kernels.
+  * Rename FirgelliL1250Motor and FirgelliL12100Motor to ActuonixL1250Motor
+    and ActuonixL12100Motor.
+  * Allow passing espeak options to Sound.speak
+  * Make sure that device classes connect to devices of the right
+    type (driver name)
+
+  [Daniel Walton]
+  * Add "__version__" property.
+  * Add ev3dev/helper.py with classes for Tanks, Motors, Web UI, etc. 
+  * Add ev3dev/GyroBalancer.py for robots that use a gyroscope.
+
+  [Donald Webster]
+  * Fix port names on BrickPi.
+
+  [Frank Busse]
+  * Fix bad division logic in display classes.
+
+  [Kaelin Laundry]
+  * Fix fatal error when a requested sysfs device class hasn't been populated yet.
+
+ -- Kaelin Laundry <wasabifan@outlook.com>  Sat, 25 Sep 2016 10:35:00 -0800
+
 python-ev3dev (0.7.0~rc1) stable; urgency=medium
 
   * Drop python 2.x support.