Don't build tests for running and analyzing
Add requirements and installation
Formatting
Use md5 hash as disk cache filename if key is too long. Closes #15.
Merge pull request #103 from Haneke/feature/disk-cache/md5-cryptoswift

Use md5 hash as disk cache filename if key is too long. Closes #15.
Fix typo
toRaw() > rawValue
Dealing with initializers that might return nil
NSData.dataWithContentsOfFile > NSData()
CGBitmapInfo.fromMask > CGBitmapInfo()
Dealing with initializers that might return nil
NSData.data() > NSData()
Dealing with initializers that might return nil
Unwrap optional from initializer
Merge branch 'xcode6.1' of https://github.com/hpique/HanekeSwift into xcode6.1

Conflicts:
	HanekeTests/DiskCacheTests.swift