Update ChangeLog and version.py for 0.10.2

ChangeLog

+2016-10-12, v0.10.2
+	* Assign correct content type when uploading images
+
 2016-09-27, v0.10.1
 	* Clear /etc/machine-id instead of removing it
 

image_creator/version.py

 
-__version__ = "0.10.1"
-
+__version__ = "0.10.2"