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Merge branch 'master' of https://github.com/LongNguyenHoang89/Gringotts

Conflicts:
	Android/Gringotts/src/fi/aalto/gringotts/MainActivity.java
Merge branch 'master' of https://github.com/LongNguyenHoang89/Gringotts
Merge branch 'master' of https://github.com/LongNguyenHoang89/Gringotts
Merge branch 'master' of https://github.com/LongNguyenHoang89/Gringotts

Conflicts:
	Android/Gringotts/src/fi/aalto/gringotts/MainActivity.java
Merge branch 'master' of https://github.com/LongNguyenHoang89/Gringotts
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