nsoperation: Add simple implementation for RecognitionOperation
Merge branch 'master' into nsoperation

Conflicts:
	Products/TesseractOCR.framework/Versions/A/Headers/TesseractOCR.h
	Products/TesseractOCR.framework/Versions/A/Resources/Info.plist
	Products/TesseractOCR.framework/Versions/A/TesseractOCR
	Template Framework Project/Template Framework Project/G8ViewController.m
	Tesseract OCR iOS.xcodeproj/project.pbxproj
	TesseractOCR/TesseractOCR.h
nsoperation: Add tests for NSOperation usage
nsoperation: Add deprecated warning for completionBlock
Merge pull request #91 from BamX/nsoperation

Added NSOperation support.