added option to omit creating DNG thumbnails when not needed

fixes threading issue

improved memory peak usage

fixed memory leak

fixed basline exposure issue

improved reporting block indexes for timestamps

added API to get block indexes for time stamps

added progress reporting when indexing an mlv file

fixed some IDE issues

fixed and added some decoder options

improve multi-threading

moved fix options out of MLVFile into mlvprocess

some minor fixes

added reading methods for video and audio

improved archive data integration