Merge pull request #39 from SunJieMing/master

Fixed beer class initialization issues
refactored start function
Merge pull request #40 from SunJieMing/master

Integrated basic Parse login functionality
questionaire working
fixed conflict
Merge pull request #41 from iagowp/master

Questionary done
Implemented frosted glass background.
Merge branch 'master' of https://github.com/SunJieMing/beer-finder