Added coins

Coins now work. Can't ask a question if you have less than 5. Get 5 for
answering a question.
Merge remote-tracking branch 'origin/master'

Conflicts:
	TheDocIsIn/bin/TheDocIsIn.apk
	TheDocIsIn/bin/classes.dex
	TheDocIsIn/bin/classes/com/example/thedocisin/HTTPServicesTask.class
	TheDocIsIn/bin/classes/com/example/thedocisin/MainActivity$1.class
	TheDocIsIn/bin/classes/com/example/thedocisin/MainActivity$2.class
	TheDocIsIn/bin/classes/com/example/thedocisin/MainActivity$3.class
	TheDocIsIn/bin/classes/com/example/thedocisin/MainActivity$4.class
	TheDocIsIn/bin/classes/com/example/thedocisin/MainActivity$5.class
	TheDocIsIn/bin/classes/com/example/thedocisin/MainActivity$6.class
	TheDocIsIn/bin/classes/com/example/thedocisin/MainActivity.class
	TheDocIsIn/bin/classes/com/example/thedocisin/ProfileActivity.class
	TheDocIsIn/bin/resources.ap_
	TheDocIsIn/src/com/example/thedocisin/MainActivity.java
	TheDocIsIn/src/com/example/thedocisin/ProfileActivity.java