Add Taiwan OCR code.

1. Modify the trainOCR.cpp to train our number plates.
2. Using our car number plates to train our OCR.
3. Read OCR_Taiwan.xml instead of OCR.xml
4. Add rename shell script and list number shell script to help use
   getting training data.
1. Update the README
2. Make OCR part taiwan plate only.
Merge branch 'master' of https://github.com/igaspard/ANPR

Conflicts:
	OCR.cpp
	main.cpp
	trainOCR.cpp