Various updates and fixes (please see commit messages)#2

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mruegenberg wants to merge 5 commits intomplusp:masterfrom

mruegenberg:master

Commits on Jun 15, 2012

Added missing information to README
Marcel Ruegenberg
committed
Made code ARC compatible and fixed bugs.
Marcel Ruegenberg
committed

Commits on Aug 24, 2012

Updated readme and converted it to Markdown.
Marcel Ruegenberg
committed

Commits on Nov 23, 2013

AudioSession functions are deprecated from iOS 7.0, so prefer using AVAudioSession.
Quotation
committed

Commits on Nov 24, 2013

Merge pull request #1 from Quotation/master
Marcel Ruegenberg
committed