ignore intelliJ project files
Android project for viewing devices
checkpoints for DeviceViewer
Merge branch 'rbg_sprint3' of https://github.com/rsiewert/Nodes-Talking into rbg_sprint3

Conflicts:
	.gitignore
	common/Infrastructure/Junit/com/topaz/node/NodeTest.java
	common/Infrastructure/Junit/com/topaz/utils/UtilsTest.java
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