update master to develop
Merge pull request #381 from jayrambhia/Docs/installation

update master to develop
flood fill compatible with np array
Merge pull request #383 from salil93/flood_fill

Flood Fill compatible with np array. Thanks for the bug fix!
floodFillToMask and floodFill support np arrays and dicts, fixed rotate() doc
floodFillToMask and floodFill support np arrays and dicts, fixed rotate() doc
Merge pull request #387 from pap-x/floodfill

Issue #249 - floodFill color parameter normalized, fixed some errors in the rotate() documentation. Thanks pap-x!
added a presence absence template match