Added a portion for drawing a route on the map. Simple version with fixed coordinates (subject to change for dynamic representation).
Merge commit '0251d7116f9ca559b40edb2e5fdb7a44c8dbb4d3'

Conflicts:
	app/src/main/AndroidManifest.xml
	app/src/main/java/com/uw/hcde/fizzlab/trace/controller/walk/MapActivity.java
	app/src/main/java/com/uw/hcde/fizzlab/trace/draw/AnnotateActivity.java
	app/src/main/res/values/strings.xml