Merge pull request #64 from MPS-UPB/develop

Merge develop into master.
Merge remote-tracking branch 'origin/develop'
Merge remote-tracking branch 'origin/develop' into OCR_analyzer
Add new tesseract_wrapper.
Add code for OCR analyzer.
Remove unnecessary code.
Merge pull request #68 from MPS-UPB/OCR_analyzer

Ocr analyzer