DeviceImageLoader
Merge remote-tracking branch 'origin/master' into io

Conflicts:
	MobileACM/src/org/literacybridge/acm/mobile/DeviceImageLoader.java
Merge remote-tracking branch 'origin/master' into io

Conflicts:
	MobileACM/src/org/literacybridge/acm/mobile/DeviceImageLoader.java
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fixes