Voting algorithm

[xtrojak]

Improve the algorithm for deciding what text is present in a region based on three inputs from supported services. Currently, we make many assumptions and use rather straightforward approach. Here are some ideas:

• give higher priority if we are expecting a number or if we have a set of expected words/values
• work with with individual words and their positions instead of whole lines
• if majority says there is one item and one service says its two perhaps the majority is right, but there might be some exceptions

If voting on words fails, by default merge all together, do the pairwise align and vote on letters. Alternatively, choose output from only one service - at least the words will make sense?

[xtrojak]

There are cases when text from multiple ROIs is joined into single identified text, with coordinates exceeding ROIs bounds. These should be given a lower priority.