Merge pull request #62 from RITAccess/Integration

Integration morning merge.
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Merge pull request #63 from waffleio/master

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Update README.md
Fixing dat spelling bro
Merge branch 'master' of github.com:RITAccess/accessmath
Tap to enter scan mode
Turned off autoforward touches to view (Performance)
Handling tap zoom adjustments.
Removed commented code from main.m
Improved QR scanner, bug fixes
Merge branch 'streamViewController' into Integration
Checking for iOS version as a NSString. Resolve #74.
Changing QR String to represent constant.
Changing QR String to represent constant.
Implementing cancel button on QR Scan.
Implementing cancel button on QR Scan. Resolve #73.
Merge branch 'bug/dismiss-QR-scan' of https://github.com/RITAccess/accessmath into bug/dismiss-QR-scan

dated upstream into a topic branch.
Merge pull request #75 from RITAccess/bug/dismiss-QR-scan

Implementing Cancel Button
Fixed #64